J84.10 ICD-10-CM Code: Pulmonary fibrosis, unspecified

J84.10 is the billable ICD-10-CM code for “Pulmonary fibrosis, unspecified” in the FY 2027 U.S. code set, effective Oct 1, 2026.

Official description

J84.10

Pulmonary fibrosis, unspecified

ICD-10-CM diagnosis code · United States clinical modification

Where J84.10 sits

  1. 1

    Chapter 10

    Diseases of the respiratory system (J00-J99)

  2. 2

    Section

    Other respiratory diseases principally affecting the interstitium (J80-J84)

  3. 3

    Category J84

    Other interstitial pulmonary diseases

  4. 4

    Subcategory J84.1

    Other interstitial pulmonary diseases with fibrosis

  5. 5

    Code J84.10

    Pulmonary fibrosis, unspecified

Notes for this code

Inclusion terms

  • Capillary fibrosis of lung
  • Cirrhosis of lung (chronic) NOS
  • Fibrosis of lung (atrophic) (chronic) (confluent) (massive) (perialveolar) (peribronchial) NOS
  • Induration of lung (chronic) NOS
  • Postinflammatory pulmonary fibrosis

Code first

No “code first” instruction is listed for J84.10.

Use additional code

No “use additional code” instruction is listed for J84.10.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for J84.10.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for J84.10.

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Frequently asked questions

What does ICD-10-CM code J84.10 mean?

J84.10 is the FY 2027 U.S. ICD-10-CM code for “Pulmonary fibrosis, unspecified.”

Is J84.10 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, J84.10 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is J84.10 located in ICD-10-CM?

J84.10 is listed in Chapter 10, Diseases of the respiratory system (J00-J99), within Other respiratory diseases principally affecting the interstitium (J80-J84) (J80–J84), under category J84, Other interstitial pulmonary diseases and subcategory J84.1, Other interstitial pulmonary diseases with fibrosis.

What coding notes are listed for J84.10?

Its listed inclusion terms are Capillary fibrosis of lung; Cirrhosis of lung (chronic) NOS; Fibrosis of lung (atrophic) (chronic) (confluent) (massive) (perialveolar) (peribronchial) NOS; Induration of lung (chronic) NOS; Postinflammatory pulmonary fibrosis. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.