J84.1

ICD-10Non-billable category

Other interstitial pulmonary diseases with fibrosis

Official ICD-10-CM descriptor (FY2026)

Other interstitial pulmonary diseases with fibrosis

J84.1 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

Excludes1

Not coded here. An Excludes1 code should never be reported at the same time as the code above it.

  • pulmonary fibrosis (chronic) following radiation (J70.1)

Code also

Two codes may be needed; sequencing depends on the reason for the encounter.

  • , if applicable, pulmonary fibrosis (chronic) due to inhalation of chemicals, gases, fumes or vapors (J68.4)

ICD-10-CM FY2026 defines 3 codes beneath J84.1. See the ICD-10-CM index for what this site publishes.

Related codes in J84

Where this code sits

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.

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