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Chronic Fatigue Syndrome
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VA-Accredited Claims Agent #45147

Multisystem

Chronic Fatigue Syndrome

A Gulf War presumptive illness rated under §4.88b, Code 6354

Chronic Fatigue Syndrome is rated under Code 6354 on how severely fatigue restricts your daily activity and how often symptoms flare. For Gulf War veterans it can be a presumptive condition under §3.317 — no nexus required — as a medically unexplained chronic multisymptom illness.

The Law That Governs This
38 CFR §3.303 (direct)38 CFR §3.317 (Gulf War undiagnosed / multisymptom illness)38 CFR §4.88b, Code 6354 (chronic fatigue syndrome)38 CFR §4.88a (chronic fatigue evaluation criteria)
Start here

What Chronic Fatigue Syndrome Really Is

This is not being tired. It is a debilitating loss of capacity where a shower or a grocery run costs you the rest of the day, and rest does not fix it. Chronic fatigue syndrome, and the related Gulf War presentations, wreck careers while every routine lab comes back normal. The rating schedule has a specific code for it, and it is generous once the record is built correctly.

Chronic Fatigue Syndrome — What it actually means

What it actually means

This is not being tired. It is a debilitating loss of capacity where a shower or a grocery run costs you the rest of the day, and rest does not fix it. Chronic fatigue syndrome, and the related Gulf War presentations, wreck careers while every routine lab comes back normal. The rating schedule has a specific code for it, and it is generous once the record is built correctly.

Chronic Fatigue Syndrome — What the VA measures

What the VA measures

Diagnostic code 6354 rates chronic fatigue syndrome on debilitating fatigue, cognitive impairments, and other impairments, evaluated by how much they restrict routine daily activities compared to the pre-illness level and by the number of weeks per year the symptoms are nearly constant or produce incapacitation. The 100 percent level applies where symptoms are so severe as to restrict routine daily activities almost completely and there may be a wasting of the body.

Chronic Fatigue Syndrome — Why claims get missed

Why claims get missed

This code is rated in weeks per year of incapacitation and in percentage restriction of routine daily activities. That is a diary claim. Without a dated log and third-party statements about what you can no longer do, the rating collapses to the bottom of the scale. The Gulf War presumptive path is also underused: chronic fatigue syndrome is presumptive for qualifying Southwest Asia service.

Where it comes from

What in Your Service Causes Chronic Fatigue Syndrome

Service connection is not a feeling, it is a chain of evidence. These are the pathways the VA already recognises. Find yours, then make sure your file says it out loud.

Gulf War service

Chronic fatigue syndrome is a presumptive condition under 38 CFR 3.317 for veterans with qualifying Southwest Asia service. No exposure evidence or nexus opinion required.

Infection during service

A documented viral or bacterial illness in service that never fully resolved is a recognized onset pattern.

Toxic exposure

Burn pits, pesticides, anti-nerve agent pills, and depleted uranium are all part of the exposure history the VA now accounts for.

Prolonged operational stress and sleep deprivation

Sustained physiologic stress is an established contributor to post-exertional malaise syndromes.

In Plain English

Rated on Lost Activity

Chronic Fatigue Syndrome is evaluated under Code 6354 on how much the fatigue and related symptoms restrict your routine daily activities compared to your pre-illness baseline, and on how often the symptoms wax and wane. Ratings climb as episodes become nearly constant and restrict activity to a fraction of the prior level. Because there is no single lab test, an honest, detailed account of a bad week — supported by lay statements — is central to the claim.

Rated on Lost Activity
In Plain English

The Gulf War Presumptive Path

For veterans who served in the Southwest Asia theater, Chronic Fatigue Syndrome can qualify as a medically unexplained chronic multisymptom illness under §3.317. This is a powerful pathway because it does not require you to prove a nexus to a specific in-service exposure or event — the connection is presumed. Many Gulf War veterans carry years of unexplained fatigue that was never framed as a presumptive claim.

The Gulf War Presumptive Path
What Matters

What to Document

01

Percentage of pre-illness activity now lost

02

Frequency and duration of incapacitating episodes

03

Gulf War theater service for the §3.317 presumptive

04

Lay statements corroborating the functional impact

The Checklist

Establishing Service Connection

To establish service connection for a condition, veterans must meet three criteria. First, there must be a current diagnosis. Second, there must be evidence of qualifying service and chronic symptoms that could be linked to it — for Gulf War veterans, certain multisymptom illnesses are presumptive without a separate nexus. Third, a nexus — a medical link — must connect the in-service event to the current condition.

01

Current diagnosis or documented chronic, disabling symptoms

02

Qualifying service or an in-service event or exposure

03

Medical nexus, unless the illness qualifies under a presumption

04

Records showing persistence of symptoms over time (six months or more)

05

Lay statements describing onset and continuity of symptoms

In Plain English

Why Work With an Accredited Advocate

Veterans should seek the assistance of an Accredited VA Disability Advocate because we guide you through the complex claims process and ensure all necessary evidence is gathered and presented effectively. Our advocates are trained to identify and link service-related conditions, increasing the likelihood of a successful claim. We also provide personalized representation, helping veterans navigate appeals and secure the benefits they deserve. As a VA-Accredited Claims Agent, our fees are regulated under 38 CFR §14.636 — and there are no fees unless we win your appeal.

Why Work With an Accredited Advocate
The Ratings, Spelled Out

The Rating Schedule, Spelled Out

Chronic fatigue syndrome is rated under 38 CFR §4.88b, Diagnostic Code 6354. The rating is driven by how much the debilitating fatigue and related symptoms restrict your routine daily activities and how many weeks per year they leave you incapacitated.

Chronic Fatigue SyndromeDiagnostic Code 6354
10%

Signs and symptoms that wax and wane but result in periods of incapacitation of at least one but less than two weeks total per year, or symptoms controlled by continuous medication.

20%

Signs and symptoms that are nearly constant and restrict routine daily activities by less than 25 percent of the pre-illness level, or that wax and wane resulting in incapacitation of at least two but less than four weeks total per year.

40%

Nearly constant symptoms that restrict routine daily activities to 50 to 75 percent of the pre-illness level, or incapacitation of at least four but less than six weeks total per year.

60%

Nearly constant symptoms that restrict routine daily activities to less than 50 percent of the pre-illness level, or incapacitation of at least six weeks total per year.

100%

Nearly constant symptoms so severe as to restrict routine daily activities almost completely, and which may occasionally preclude self-care.

What Matters

Key Points to Remember

01

Rated under 38 CFR §4.88b, Diagnostic Code 6354, on how often symptoms restrict activity

02

Higher ratings reflect symptoms that are nearly constant and restrict routine activities

03

Presumptive for qualifying Gulf War veterans as a chronic multisymptom illness

04

Document the persistence of debilitating fatigue and post-exertional worsening

The Checklist

What to Expect at Your Chronic Fatigue Syndrome C&P Examination

Chronic fatigue syndrome is rated under Diagnostic Code 6354 on how much your routine daily activities have been restricted compared with your pre-illness level, and on whether the symptoms are nearly constant. The criteria are written in percentages of your former activity level — restriction to less than 50% of pre-illness activity, or incapacitation for a stated number of weeks per year. This is a diagnosis of exclusion, so the exam also has to show what was ruled out.

01

A pre-illness versus current activity comparison, stated as a percentage of your former routine daily activity level.

02

A count of the weeks per year you were incapacitated and required bed rest and treatment by a physician.

03

A finding on whether debilitating fatigue and the associated symptoms are nearly constant or waxing and waning.

04

Documentation of the defining features: post-exertional malaise lasting more than 24 hours, unrefreshing sleep, cognitive impairment, sore throat, tender lymph nodes, myalgia, migratory joint pain and new headaches.

05

The laboratory workup that excluded other causes — thyroid, anemia, autoimmune disease, infection and sleep disorders — because this remains a diagnosis of exclusion.

06

An activity and symptom log you keep over several weeks, which is the only way to demonstrate the percentage restriction the code asks for.

07

A statement of occupational impact, including reduced hours, accommodations and time lost, which supports a TDIU claim where the schedular rating falls short.

In Plain English

What Happens Once the C&P Exam Is Complete

The examiner compiles a detailed report — your medical history, physical findings, and diagnostic results — and assesses the severity, symptoms, and impact of your condition. That report is sent to the VA Regional Office handling your claim and becomes part of your official file, reviewed alongside your other evidence.

The VA may send the report back for corrections, clarification, or a second opinion if it finds it incomplete or unclear. This can delay your claim, because the VA requires thorough and accurate information to decide. Your claim only moves to the decision phase once the VA is satisfied with the evidence — which is exactly why the quality of the file we build for you matters so much. Once decided, your effective date controls how far back your back pay reaches, and any denial can be challenged through a Supplemental Claim, Higher-Level Review, or Board appeal.

What Happens Once the C&P Exam Is Complete

The Advocate’s Take

If you came back from the Gulf and never got your energy back, do not let anyone dismiss it as “just stress.” Under §3.317 the connection is presumed — you do not have to prove how it started.

By the Numbers

Every Level the VA Can Assign You

These percentages come straight out of the rating schedule that governs chronic fatigue syndromeDiagnostic Code 6354. Read them slowly. If your current rating does not match what your records actually show, that gap is exactly what an appeal exists to correct.

10%

Signs and symptoms that wax and wane but result in periods of incapacitation of at least one but less than two weeks total per year, or symptoms controlled by continuous medication.

20%

Signs and symptoms that are nearly constant and restrict routine daily activities by less than 25 percent of the pre-illness level, or that wax and wane resulting in incapacitation of at l…

40%

Nearly constant symptoms that restrict routine daily activities to 50 to 75 percent of the pre-illness level, or incapacitation of at least four but less than six weeks total per year.

60%

Nearly constant symptoms that restrict routine daily activities to less than 50 percent of the pre-illness level, or incapacitation of at least six weeks total per year.

100%

Nearly constant symptoms so severe as to restrict routine daily activities almost completely, and which may occasionally preclude self-care.

The connections most veterans miss

Secondary Claims — Both Directions

Under 38 CFR §3.310, a condition caused or made worse by an already service-connected condition is itself service connected. That runs in both directions, and it is the single largest pool of unclaimed compensation in the system.

What can cause chronic fatigue syndrome

If one of these is already service connected, this condition can be claimed as secondary to it.

  • PTSD or chronic anxiety

    Sustained stress-axis activation contributes to the syndrome.

  • Sleep apnea or chronic insomnia

    Non-restorative sleep both mimics and worsens it.

  • Fibromyalgia

    The two conditions overlap heavily and frequently coexist.

  • Hypothyroidism or endocrine dysfunction

    A service-connected endocrine condition produces overlapping fatigue.

What chronic fatigue syndrome can cause

If this condition is already service connected, each of these is a separate claim you may be owed.

  • Depression and anxiety

    Losing your working life to fatigue is a recognized cause of mood disorder.

  • Cognitive impairment

    Memory and concentration loss is written into the rating criteria itself.

  • Weight change and deconditioning

    Documented physical decline supports the higher rating levels.

  • Unemployability

    Post-exertional collapse is one of the clearest TDIU fact patterns there is.

A secondary claim still needs two things: a current diagnosis of the secondary condition, and a medical opinion saying it is at least as likely as not caused or aggravated by the service-connected condition. You do not have to prove it happened in service.

How claims are won

Building a Chronic Fatigue Syndrome Claim That Wins

Every claim stands on three legs. Knock one out and the claim falls over, no matter how bad your symptoms are. Before you file, look at your file and find all three.

01

A current diagnosis

A doctor has to say you have it, now, in writing. Not "reports symptoms of" — a diagnosis. Without this leg, nothing else in the file matters.

02

A link to your service

An event, an injury, an exposure, or an already service-connected condition. Service records, unit records, buddy statements, and your own account all count as evidence.

03

A nexus that ties the two together

A medical opinion stating it is at least as likely as not that your service caused or aggravated the condition. That phrase is a legal standard: 50 percent or better. It is the leg most denials break.

Document the problem before you file

• Keep a dated symptom log for at least 30 days. Frequency, severity, and what it stopped you from doing.

• Get statements from people who see it — a spouse, a coworker, a battle buddy. Lay evidence is legal evidence.

• Pull your private treatment records. The VA only has to help; it does not have to go find everything.

• Write down what you have stopped doing. Lost work, lost sleep, lost activities. That is what impairment looks like on paper.

Know them before you file

Your Rights in This Process

It costs nothing to file

Filing a VA claim is free. Accredited representatives may only charge for work on an appeal after an initial decision, and those fees are capped by 38 CFR §14.636.

The VA has a Duty to Assist you

Under 38 CFR §3.159 the VA must help you get the evidence it needs, and it must tell you what is missing before it denies you for missing it.

You can ask for a different examiner

You may request a trauma-informed clinician, or a clinician of a specific gender, for a C&P examination. Ask before the exam is scheduled.

You can claim every condition you have

There is no limit and no penalty. Primary conditions, secondary conditions, and conditions made worse by service all get filed.

You can appeal and be re-evaluated

A denial is not the end. You may submit new evidence, request a higher-level review, appeal to the Board, and ask for re-evaluation when your condition worsens.

You must be considered for TDIU

If your service-connected conditions keep you from holding substantially gainful employment, you may be paid at the 100 percent rate without a 100 percent rating.

Straight answers

Questions Veterans Ask About Chronic Fatigue Syndrome Claims

All my lab work is normal. Can I still be rated?

Yes. Chronic fatigue syndrome is a clinical diagnosis and the rating criteria are built on functional restriction, not lab values. Normal labs are part of the diagnostic picture, not a reason for denial.

What evidence actually moves this rating?

A dated symptom and activity diary, statements from family and coworkers describing what you can no longer do, employment records showing lost time, and a provider note estimating the percentage restriction of your routine daily activities and the weeks per year you are incapacitated.

Do I need a nexus if I served in the Gulf?

Generally no. Qualifying Southwest Asia service plus the diagnosis triggers the presumption. That makes it one of the most direct paths available, and it is routinely missed.

Free · no obligation

When You Are Ready to File

Talk to an accredited representative before you file. It costs nothing to ask, and the order you file in changes what the VA is allowed to award you. Albert L. Thombs Jr. is VA-Accredited Claims Agent #45147.

VA Form 21-526EZ

The application itself

This is the form that opens a disability compensation claim. List every condition you are claiming, and name the secondary conditions explicitly.

VA Form 21-4142

Release for private records

Authorises the VA to request records from your private doctors. Without it, treatment outside the VA may never reach your file.

VA Form 21-10210

Lay or buddy statement

The official form for your own statement and for statements from people who witnessed the event or the change in you.

What It Pays

What This Rating Is Worth (2026)

Combined RatingMonthly Tax-Free Pay
10%$180.42/mo
20%$356.66/mo
30%$552.47/mo
40%$795.84/mo
50%$1,132.90/mo
60%$1,435.02/mo
70%$1,808.45/mo
80%$2,102.15/mo
90%$2,362.30/mo
100%$3,938.58/mo

Rates shown are the veteran-alone amounts effective December 1, 2025. A spouse, children, or dependent parents increase your payment at 30% and above. Every 10% you are under-rated can cost you thousands of dollars a year for the rest of your life.

Estimate Your Exact Pay
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Official VA Video · Government Produced
Your VA Claim Exam: What to Expect

Your VA Claim Exam: What to Expect

This official VBA video walks you through the entire C&P exam process. Understanding what happens in that room is the difference between a rating that reflects your true condition and one that undervalues you.

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How You Win

What It Takes to Win These Benefits

The Three-Part Test

Service connection under 38 CFR §3.303 requires all three:

  1. 1A current, diagnosed disability
  2. 2An in-service event, injury, or exposure
  3. 3A medical nexus linking the two
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Veteran Representation

The medical evidence the VA is actually looking for:

A current diagnosis in your medical records — the VA cannot rate a condition that is not documented.
An in-service event, injury, or exposure shown in your service records, or a credible lay account of it.
A medical nexus — a professional opinion that your condition is "at least as likely as not" connected to service.
Objective severity evidence the rating criteria require (test results, imaging, range-of-motion, frequency logs).
A continuous treatment history showing the condition persisted — gaps are used against you.
Lay statements from family, coworkers, or fellow service members describing the impact on work and daily life.
Documentation that debilitating fatigue restricts routine daily activities — the rating under Code 6354 is built on the percentage of pre-illness activity lost and how often symptoms wax and wane.
For Gulf War veterans, evidence supporting a presumptive claim under §3.317 as a medically unexplained chronic multisymptom illness — which requires no nexus to a specific in-service event.
A symptom diary and lay statements showing incapacitating episodes, their frequency, and their duration across the year.
Records ruling out other causes, consistent with the medically unexplained nature of qualifying Gulf War illness.
The Exam

What to Expect at Your C&P Exam

Your Compensation & Pension (C&P) exam is not treatment. It is a rating tool. The examiner will not fix anything — they complete a Disability Benefits Questionnaire (DBQ) and check the boxes that decide your rating. What happens in that room can move your rating an entire level, so walk in prepared.

Arrive 15 minutes early and bring a photo ID; wear comfortable clothing.
Describe your worst days and flare-ups, not an average day — the exam is a snapshot.
Be honest and specific about how the condition impairs work and daily life.
The examiner cannot treat you, refer you, or prescribe — do not expect medical care.
If the exam felt rushed or wrong, tell us immediately — an inadequate exam can be challenged.
Describe a typical bad week honestly — how many days you cannot function, and how much less you do now than before the illness.
Report the frequency and duration of incapacitating episodes — the rating steps up sharply with how often symptoms restrict you.
If you served in the Gulf War theater, make sure the exam addresses the §3.317 presumptive pathway.
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Tips to Prepare for Your VA Claim Exam
The Paperwork

The Forms You File — We Prepare Them For You

These are the forms that drive this claim. Start any of them on our site and an accredited agent prepares and files it for you — correctly, the first time.

VA Form 21-526EZ

Application for Disability Compensation

The core application that opens or reopens your claim.

Start this with us
VA Form 21-4138

Statement in Support of Claim

Your own account and buddy/lay statements that fill the gaps in your record.

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VA Form 21-22a

Appoint Us as Your Representative

Authorizes our accredited agent to act on your behalf with the VA.

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VA Form 21-8940

Unemployability (TDIU) Application

Claims 100% pay when your conditions keep you from working — even below 100%.

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Condition DBQ

Disability Benefits Questionnaire

The exam form that captures the severity criteria for this specific condition.

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Beyond the Schedule

SMC & TDIU — When Your Rating Isn't the Whole Story

TDIU — Paid at 100% Without a 100% Rating

Total Disability based on Individual Unemployability (38 CFR §4.16) pays you at the 100% rate when your service-connected conditions prevent substantially gainful employment — even if your combined rating is lower. You may qualify if:

  • One condition is rated 60% or higher, or
  • Two+ conditions combine to 70% with at least one rated 40%, and
  • Those conditions keep you from holding steady, gainful work.
  • Cannot meet the numbers? Extraschedular TDIU under §4.16(b) may still apply.

Special Monthly Compensation (SMC)

SMC (38 CFR §3.350) pays above the normal schedule for especially serious losses — loss or loss of use of a body part, being housebound, or needing the aid and attendance of another person. Common levels:

  • SMC-K — Loss / loss of useAdd-on for loss or loss of use of a specific body part (hand, foot, eye, reproductive organ, or certain other losses). Paid on top of your regular compensation. Can stack (up to the statutory cap).
  • SMC-S — HouseboundStatutory housebound: a single 100% disability plus additional disabilities of 60%+, or substantially confined to your home. Veteran-alone rate shown.
  • SMC-L — Aid & AttendanceYou need the regular aid and attendance of another person, or have anatomical loss/loss of use of both feet, one hand and one foot, blindness, or are permanently bedridden. Veteran-alone rate shown.
  • SMC-M — Higher Aid & AttendanceA higher level of aid and attendance (e.g., loss of use of both hands, or loss of use of both legs at a higher level). Veteran-alone rate shown.

These are the benefits veterans most often leave on the table because no one told them they qualified. If any of this sounds like your situation, call an accredited agent at 702-992-4883 — we screen for SMC and TDIU on every case.

Denied or under-rated?

Talk to a VA-accredited claims agent about chronic fatigue syndrome

Albert L. Thombs Jr. is a US Army veteran, VA-Accredited Claims Agent #45147, and 100% service-connected himself. He personally reviews every request. Fees are capped by 38 CFR §14.636 — and there are no fees unless you win.

Request My Free Case Review 702-992-4883

Mon–Fri, 11AM–6PM Pacific

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Three Ways to Put an Accredited Agent on Chronic Fatigue Syndrome

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