J84.842

Pulmonary interstitial glycogenosis

Risk-adjusting (HCC)Billable code

HCC risk adjustment mapping

CMS-HCC ESRD V24

HCC112

Fibrosis of Lung and Other Chronic Lung Disorders

RxHCC V08

RXHCC227

Pulmonary Fibrosis, Except Idiopathic

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

Inherited from J84.8Other specified interstitial pulmonary diseases
Excludes 1

exogenous lipoid pneumonia (J69.1) unspecified lipoid pneumonia (J69.1)

Inherited from J84Other interstitial pulmonary diseases
Excludes 1

drug-induced interstitial lung disorders (J70.2-J70.4) interstitial emphysema (J98.2)

Excludes 2

lung diseases due to external agents (J60-J70)

Code also

, if applicable, associated condition

Inherited from chapter 10Diseases of the respiratory system
Excludes 2

certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) smoke inhalation (T59.81-) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Use additional

code, where applicable, to identify: exposure to environmental tobacco smoke (Z77.22) exposure to tobacco smoke in the perinatal period (P96.81) history of tobacco dependence (Z87.891) occupational exposure to environmental tobacco smoke (Z57.31) tobacco dependence (F17.-) tobacco use (Z72.0)

Note

When a respiratory condition is described as occurring in more than one site and is not specifically indexed, it should be classified to the lower anatomic site (e.g. tracheobronchitis to bronchitis in J40).

Official Guidelines for J84.842

FY 2026 ›

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