FY2026
Effective from
- Inherited rules changed
Idiopathic interstitial pneumonia
Category — select a more specific code
CDC/NCHS · FY2026, if applicable, associated condition
, if applicable, pulmonary fibrosis (chronic) due to inhalation of chemicals, gases, fumes or vapors (J68.4)
pulmonary fibrosis (chronic) following radiation (J70.1)
For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.
Use the service date for outpatient/professional claims and the discharge date for hospital inpatient claims. Earlier encounters use ICD-9-CM; each individual code must also be valid for the applicable date.
Official coding guidelines → · CMS ↗First observed · 2015-10-01
Latest recorded change · FY2026
Effective from
Idiopathic interstitial pneumonia
Category — select a more specific code
CDC/NCHS · FY2026| All editions | Effective from | Code history |
|---|---|---|
| FY2016 | 2015-10-01 | First observed |
| FY2017 | 2016-10-01 | Inherited rules changed |
| FY2018 | 2017-10-01 | Inherited rules changed |
| FY2019 | 2018-10-01 | No tabular change |
| FY2020 | 2019-10-01 | No tabular change |
| FY2020 · April | 2020-04-01 | No tabular change |
| FY2021 | 2020-10-01 | No tabular change |
| FY2021 · 01-01 | 2021-01-01 | No tabular change |
| FY2022 | 2021-10-01 | No tabular change |
| FY2022 · 04-01 | 2022-04-01 | No tabular change |
| FY2023 | 2022-10-01 | No tabular change |
| FY2023 · 04-01 | 2023-04-01 | No tabular change |
| FY2024 | 2023-10-01 | No tabular change |
| FY2024 · 04-01 | 2024-04-01 | No tabular change |
| FY2025 | 2024-10-01 | Inherited rules changed |
| FY2025 · 04-01 | 2025-04-01 | No tabular change |
| FY2026 | 2025-10-01 | Inherited rules changed |
| FY2026 · April | 2026-04-01 | No tabular change |
| FY2027 | 2026-10-01 | No tabular change |
When a respiratory condition is described as occurring in more than one site and is not specifically indexed, it should be classified to the lower anatomic site (e.g. tracheobronchitis to bronchitis in J40).
, if applicable, associated condition
pulmonary fibrosis (chronic) following radiation (J70.1)
, if applicable, pulmonary fibrosis (chronic) due to inhalation of chemicals, gases, fumes or vapors (J68.4)
J84.111Idiopathic interstitial pneumonia, not otherwise specifiedBillable / specificJ84.112Idiopathic pulmonary fibrosisBillable / specificJ84.113Idiopathic non-specific interstitial pneumonitisBillable / specificJ84.114Acute interstitial pneumonitisBillable / specificJ84.115Respiratory bronchiolitis interstitial lung diseaseBillable / specificJ84.116Cryptogenic organizing pneumoniaBillable / specificJ84.117Desquamative interstitial pneumoniaBillable / specificOther entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| J84.10 | Pulmonary fibrosis, unspecified | Billable / specific |
| J84.17 | Other interstitial pulmonary diseases with fibrosis in diseases classified elsewhere | Category · further specificity required |
Official titles and instructions are preserved in their source language. Official sources ↗
Use additional code · idiopathic interstitial pneumonia (J84.11-)