DC 8045Neurological Conditions38 CFR § 4.124aLast verified: APR 22, 2026

Residuals of traumatic brain injury (TBI)

Residuals of traumatic brain injury (TBI) is rated under 38 CFR 38 CFR § 4.124a, Diagnostic Code 8045, from 0% to 100% based on the frequency and functional severity of symptoms. The maximum 100% rating requires: TBI residuals, severe: Requires daily caregiver assistance for basic ADLs (bathing, dressing, eating, ambulation); vegetative or minimally conscious state; or persistent severe dementia; total neurological incapacitation. May qualify for aid and attendance.. Most claims establish the 0% or 10% rating before reaching the top tier.

Rating schedule — DC 8045 at a glance

Minimum rating
0%

Lowest schedular rating available

Maximum rating
100%

Full schedular disability

Rating tiers
5

0%, 10%, 40%, 70%, 100%

CFR section
38 CFR § 4.124a

Part 4 rating schedule

Body system
Neurological Conditions
Secondary conditions
7

Mapped in our database

What are the VA rating criteria for Residuals of traumatic brain injury (TBI)?

0%Disability Rating

A veteran whose residuals of TBI are rated under a version of § 4.124a, diagnostic code 8045, in effect before October 23, 2008 may request review under diagnostic code 8045, irrespective of whether his or her disability has worsened since the last review. VA will review that veteran's disability rating to determine whether the veteran may be entitled to a higher disability rating under diagnostic code 8045. A request for review pursuant to this note will be treated as a claim for an increased rating for purposes of determining the effective date of an increased rating awarded as a result of such review; however, in no case will the award be effective before October 23, 2008. For the purposes of determining the effective date of an increased rating awarded as a result of such review, VA will apply 38 CFR 3.114, if applicable. Note (5):

Note: TBI residuals are rated under the most applicable body system code (cognitive, behavioral, neurological, etc.). DC 8045 is the primary code but additional codes may apply for specific residuals.

10%Disability Rating

TBI residuals, mild: Objective neurological findings present (mild cognitive testing impairment, mild behavioral changes) but veteran can function independently in most daily activities and work tasks.

40%Disability Rating

TBI residuals, moderate: Objective neurological findings causing moderate cognitive impairment (difficulty with complex tasks, memory, processing speed); behavioral disturbances; requires assistance with some instrumental activities of daily living (IADLs); unable to maintain competitive employment without accommodations.

70%Disability Rating

TBI residuals, moderately severe: Severe cognitive impairment; marked behavioral disturbances; requires regular assistance with activities of daily living (ADLs); unemployable; persistent neurological symptoms (e.g., seizures, sensory deficits, motor deficits) in combination.

100%Disability Rating

TBI residuals, severe: Requires daily caregiver assistance for basic ADLs (bathing, dressing, eating, ambulation); vegetative or minimally conscious state; or persistent severe dementia; total neurological incapacitation. May qualify for aid and attendance.

Note: Veterans with severe TBI may be eligible for additional SMC under 38 USC 1114(r) for aid and attendance.

TBI residuals, moderate: Objective neurological findings causing moderate cognitive impairment (difficulty with complex tasks, memory, processing speed); behavioral disturbances; requires assistance with some instrumental activities of daily living (IADLs); unable to maintain competitive employment without accommodations.

Which conditions are commonly secondary to Residuals of traumatic brain injury (TBI)?

View 7 secondary conditions linked to Residuals of traumatic brain injury (TBI)

Medical rationale, evidence strength, and filing tips — rated under 38 CFR § 3.310

Common Questions About Residuals of traumatic brain injury (TBI) VA Ratings

What is the VA rating range for Residuals of traumatic brain injury (TBI)?

The VA rates Residuals of traumatic brain injury (TBI) under Diagnostic Code 8045 at 0%, 10%, 40%, 70%, 100%. The minimum 0% rating requires: A veteran whose residuals of TBI are rated under a version of § 4.124a, diagnostic code 8045, in effect before October 23, 2008 may request review under diagnostic code 8045, irrespective of whether his or her disability has worsened since the last review. VA will review that veteran's disability rating to determine whether the veteran may be entitled to a higher disability rating under diagnostic code 8045. A request for review pursuant to this note will be treated as a claim for an increased rating for purposes of determining the effective date of an increased rating awarded as a result of such review; however, in no case will the award be effective before October 23, 2008. For the purposes of determining the effective date of an increased rating awarded as a result of such review, VA will apply 38 CFR 3.114, if applicable. Note (5):. The maximum 100% rating requires: TBI residuals, severe: Requires daily caregiver assistance for basic ADLs (bathing, dressing, eating, ambulation); vegetative or minimally conscious state; or persistent severe dementia; total neurological incapacitation. May qualify for aid and attendance..

Which 38 CFR diagnostic code does the VA use for Residuals of traumatic brain injury (TBI)?

The VA rates Residuals of traumatic brain injury (TBI) under Diagnostic Code (DC) 8045, governed by 38 CFR 38 CFR § 4.124a. The diagnostic code establishes the specific rating tiers and severity criteria the VA examiner applies.

What is the difference between a 0% and a 100% rating for Residuals of traumatic brain injury (TBI)?

A 0% rating requires: A veteran whose residuals of TBI are rated under a version of § 4.124a, diagnostic code 8045, in effect before October 23, 2008 may request review under diagnostic code 8045, irrespective of whether his or her disability has worsened since the last review. VA will review that veteran's disability rating to determine whether the veteran may be entitled to a higher disability rating under diagnostic code 8045. A request for review pursuant to this note will be treated as a claim for an increased rating for purposes of determining the effective date of an increased rating awarded as a result of such review; however, in no case will the award be effective before October 23, 2008. For the purposes of determining the effective date of an increased rating awarded as a result of such review, VA will apply 38 CFR 3.114, if applicable. Note (5):. A 100% rating requires: TBI residuals, severe: Requires daily caregiver assistance for basic ADLs (bathing, dressing, eating, ambulation); vegetative or minimally conscious state; or persistent severe dementia; total neurological incapacitation. May qualify for aid and attendance.. The difference typically reflects the frequency, severity, or functional impact of the condition as documented in medical records and C&P examination findings.

Can Residuals of traumatic brain injury (TBI) qualify for TDIU (Total Disability Individual Unemployability)?

Veterans rated for Residuals of traumatic brain injury (TBI) may qualify for TDIU if the condition — alone or in combination with other service-connected disabilities — prevents substantially gainful employment. A single disability rated at 60% or higher (or multiple disabilities combining to 70%, with one at 40%) can support a TDIU claim under 38 CFR § 4.16.

What evidence do I need to establish service connection for Residuals of traumatic brain injury (TBI)?

Service connection for Residuals of traumatic brain injury (TBI) requires three elements: (1) a current diagnosis of the condition, (2) an in-service event, injury, or disease, and (3) a medical nexus linking the current diagnosis to that in-service occurrence. A nexus letter from a treating or independent medical examiner is the most reliable nexus evidence.

Which conditions are commonly secondary to Residuals of traumatic brain injury (TBI)?

Residuals of traumatic brain injury (TBI) is associated with 7 documented secondary conditions. Secondary conditions caused or aggravated by a service-connected disability are ratable under 38 CFR § 3.310. See the secondary conditions page for the full list with medical rationale and evidence strength ratings.

What is the C&P exam like for Residuals of traumatic brain injury (TBI)?

A Compensation & Pension (C&P) exam for Residuals of traumatic brain injury (TBI) uses a Disability Benefits Questionnaire (DBQ) specific to the body system involved. The examiner documents the frequency, severity, and functional impact of your symptoms. Bring all relevant treatment records and be prepared to describe your worst-day symptoms — the examiner rates your condition based on the full clinical picture, not a single visit.

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