10ICD Code Hub

J84.112

Billable code

Idiopathic pulmonary fibrosis

The ICD-10 code for idiopathic pulmonary fibrosis is J84.112.

Clinical notes

Also known as

Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.

  • Cryptogenic fibrosing alveolitis
  • Idiopathic fibrosing alveolitis

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Related codes in this category

ICD-9-CM equivalent

Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.

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Associated MS-DRGs

J84.112 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.

Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.