J84.11

Non-billable

Idiopathic interstitial pneumonia

J84.11 is the ICD-10-CM code for Idiopathic interstitial pneumonia. It is a non-billable category code — use a more specific child code such as J84.111 for billing.

Status
Header (non-billable)
Chapter
J00-J99
Parent
J84.1
Subcodes
7
Edition
FY2026

J00-J99 Diseases of the respiratory system

What this means — in plain language

MedlinePlus · NIH

Interstitial lung disease is the name for a large group of diseases that inflame or scar the lungs. The inflammation and scarring make it hard to get enough oxygen. The scarring is called pulmonary fibrosis . Breathing in dust or other particles in the air is responsible for some types of interstitial lung diseases. Specific types include: Black lung disease among coal miners, from inhaling coal dust Farmer's lung,…

Read more about Interstitial Lung Diseases at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Excludes1 — not coded here

  • lymphoid interstitial pneumonia (J84.2)
  • pneumocystis pneumonia (B59)

Frequently asked questions

What is ICD-10 code J84.11?
J84.11 is the ICD-10-CM code for "Idiopathic interstitial pneumonia". It falls under J00-J99 Diseases of the respiratory system.
Is J84.11 a billable code?
No — J84.11 is a non-billable header code. Use a more specific child code (such as J84.111) for billing.
What are the subcodes of J84.11?
J84.11 has 7 more specific child codes, including J84.111, J84.112, J84.113.
What is excluded from J84.11?
Excludes1 (not coded here): lymphoid interstitial pneumonia (J84.2); pneumocystis pneumonia (B59).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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