J64 Unspecified pneumoconiosis

Billable ICD-10-CM code, FY2026.

Excludes1 (never code together)

• pneumonoconiosis with tuberculosis, any type in A15 (J65)

Applies from J64 Unspecified pneumoconiosis

Excludes1 (never code together)

• pneumonoconiosis with tuberculosis, any type in A15 (J65)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 280 — Chronic Obstructive Pulmonary Disease, Interstitial Lung Disorders, and Other Chronic Lung Disorders
• CMS-HCC V22: HCC 112 — Fibrosis of Lung and Other Chronic Lung Disorders
• ESRD V24: HCC 112

MS-DRG index

Defines the logic of DRG(s) 196-198 in MDC 04.

Approximate ICD-9-CM (GEMs)

• 505 Pneumoconiosis, unspecified (approximate)

Code annotations containing back-references to J64

Back-references to J64

• Type 2 Excludes: J44.1 Chronic obstructive pulmonary disease with (acute) exacerbation ("lung diseases due to external agents (J60-J70)")
• Type 2 Excludes: J44.9 Chronic obstructive pulmonary disease, unspecified ("lung diseases due to external agents (J60-J70)")
• Type 2 Excludes: J45.909 Unspecified asthma, uncomplicated ("lung diseases due to external agents (J60-J70)")
• Type 1 Excludes: J81 Pulmonary edema ("pulmonary edema due to external agents (J60-J70)")
• Type 2 Excludes: J84 Other interstitial pulmonary diseases ("lung diseases due to external agents (J60-J70)")
• Code First: J84.170 Interstitial lung disease with progressive fibrotic phenotype in diseases classified elsewhere ("lung diseases due to external agents (J60-J70)")

Back-references to J64

• Type 2 Excludes: J44.1 Chronic obstructive pulmonary disease with (acute) exacerbation ("lung diseases due to external agents (J60-J70)")
• Type 2 Excludes: J44.9 Chronic obstructive pulmonary disease, unspecified ("lung diseases due to external agents (J60-J70)")
• Type 2 Excludes: J45.909 Unspecified asthma, uncomplicated ("lung diseases due to external agents (J60-J70)")
• Type 1 Excludes: J81 Pulmonary edema ("pulmonary edema due to external agents (J60-J70)")
• Type 2 Excludes: J84 Other interstitial pulmonary diseases ("lung diseases due to external agents (J60-J70)")
• Code First: J84.170 Interstitial lung disease with progressive fibrotic phenotype in diseases classified elsewhere ("lung diseases due to external agents (J60-J70)")

Diagnosis Index entries for J64

• Asthma, asthmatic (bronchial) (catarrh) (spasmodic) › pneumoconiotic NEC
• Fibrosis, fibrotic › lung (atrophic) (chronic) (confluent) (massive) (perialveolar) (peribronchial) › with › dust reticulation
• Fibrosis, fibrotic › lung (atrophic) (chronic) (confluent) (massive) (perialveolar) (peribronchial) › with › pneumoconiosis NOS
• Pneumoconiosis (due to) (inhalation of)

Nearby codes

• J64 Unspecified pneumoconiosis (this code)