DC 6844Respiratory System38 CFR § 4.97Last verified: APR 22, 2026

Post-surgical residual (lobectomy, pneumonectomy, etc.)

Post-surgical residual (lobectomy, pneumonectomy, etc.) is rated under 38 CFR 38 CFR § 4.97, Diagnostic Code 6844, from 0% to 100% based on the frequency and functional severity of symptoms. The maximum 100% rating requires: Chronic pulmonary mycosis with persistent fever, weight loss, night sweats, or massive hemoptysis. Most claims establish the 0% or 30% rating before reaching the top tier.

What are the VA rating criteria for Post-surgical residual (lobectomy, pneumonectomy, etc.)?

0%Disability Rating

Healed and inactive mycotic lesions, asymptomatic

Note: Via General Rating Formula for Mycotic Lung Disease (diagnostic codes 6834 through 6839):

30%Disability Rating

Chronic pulmonary mycosis with minimal symptoms such as occasional minor hemoptysis or productive cough

Note: Via General Rating Formula for Mycotic Lung Disease (diagnostic codes 6834 through 6839):

50%Disability Rating

Chronic pulmonary mycosis requiring suppressive therapy with no more than minimal symptoms such as occasional minor hemoptysis or productive cough

Note: Via General Rating Formula for Mycotic Lung Disease (diagnostic codes 6834 through 6839):

100%Disability Rating

Chronic pulmonary mycosis with persistent fever, weight loss, night sweats, or massive hemoptysis

Note: Via General Rating Formula for Mycotic Lung Disease (diagnostic codes 6834 through 6839):

Chronic pulmonary mycosis requiring suppressive therapy with no more than minimal symptoms such as occasional minor hemoptysis or productive cough
— 38 CFR 38 CFR § 4.97, Diagnostic Code 6844 (50% tier)

Common Questions About Post-surgical residual (lobectomy, pneumonectomy, etc.) VA Ratings

What is the VA rating range for Post-surgical residual (lobectomy, pneumonectomy, etc.)?

The VA rates Post-surgical residual (lobectomy, pneumonectomy, etc.) under Diagnostic Code 6844 at 0%, 30%, 50%, 100%. The minimum 0% rating requires: Healed and inactive mycotic lesions, asymptomatic. The maximum 100% rating requires: Chronic pulmonary mycosis with persistent fever, weight loss, night sweats, or massive hemoptysis.

Which 38 CFR diagnostic code does the VA use for Post-surgical residual (lobectomy, pneumonectomy, etc.)?

The VA rates Post-surgical residual (lobectomy, pneumonectomy, etc.) under Diagnostic Code (DC) 6844, governed by 38 CFR 38 CFR § 4.97. 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 Post-surgical residual (lobectomy, pneumonectomy, etc.)?

A 0% rating requires: Healed and inactive mycotic lesions, asymptomatic. A 100% rating requires: Chronic pulmonary mycosis with persistent fever, weight loss, night sweats, or massive hemoptysis. The difference typically reflects the frequency, severity, or functional impact of the condition as documented in medical records and C&P examination findings.

Can Post-surgical residual (lobectomy, pneumonectomy, etc.) qualify for TDIU (Total Disability Individual Unemployability)?

Veterans rated for Post-surgical residual (lobectomy, pneumonectomy, etc.) 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 Post-surgical residual (lobectomy, pneumonectomy, etc.)?

Service connection for Post-surgical residual (lobectomy, pneumonectomy, etc.) 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.

What is the C&P exam like for Post-surgical residual (lobectomy, pneumonectomy, etc.)?

A Compensation & Pension (C&P) exam for Post-surgical residual (lobectomy, pneumonectomy, etc.) 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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