J84.112 – Idiopathic pulmonary fibrosis

ICD-10-CM 2027 diagnosis code · Other respiratory diseases principally affecting the interstitium

Billable code

ICD-10-CM code J84.112
Code
J84.112 (claims format: J84112)
Description
Idiopathic pulmonary fibrosis
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
10. Diseases of the respiratory system (J00-J99)
Block
J80-J84 Other respiratory diseases principally affecting the interstitium
Parent codes
J84 › J84.1 › J84.11

Notes for J84.112

Applicable to:
  • Cryptogenic fibrosing alveolitis
  • Idiopathic fibrosing alveolitis

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

J84 – Other interstitial pulmonary diseases

Excludes1 (not coded here):
  • drug-induced interstitial lung disorders (J70.2-J70.4)
  • interstitial emphysema (J98.2)
Excludes2 (not included here):
  • lung diseases due to external agents (J60-J70)
Code also:
  • , if applicable, associated condition

J84.1 – Other interstitial pulmonary diseases with fibrosis

Excludes1 (not coded here):
  • pulmonary fibrosis (chronic) following radiation (J70.1)
Code also:
  • , if applicable, pulmonary fibrosis (chronic) due to inhalation of chemicals, gases, fumes or vapors (J68.4)

J84.11 – Idiopathic interstitial pneumonia

Excludes1 (not coded here):
  • lymphoid interstitial pneumonia (J84.2)
  • pneumocystis pneumonia (B59)

Index terms for J84.112

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in J84.11

Frequently asked questions

What is ICD-10 code J84.112?

J84.112 is the ICD-10-CM code for idiopathic pulmonary fibrosis, in the block J80-J84 (Other respiratory diseases principally affecting the interstitium).

Is J84.112 a billable code?

Yes. J84.112 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does J84.112 belong to?

It belongs to category J84 – Other interstitial pulmonary diseases.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.