J84.9

ICD-10Billable

Interstitial pulmonary disease, unspecified

Official ICD-10-CM descriptor (FY2026)

Interstitial pulmonary disease, unspecified

J84.9 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

Interstitial pneumonia NOS

Related codes in J84

Where this code sits

Chapter: 10. Diseases of the respiratory system (J00-J99)
Block: Other respiratory diseases principally affecting the interstitium (J80-J84)
Parent code: J84

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.