J84.1
Other interstitial pulmonary diseases with fibrosis
J84.1 is a non-billable ICD-10-CM code header for other interstitial pulmonary diseases with fibrosis. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are J84.10 Pulmonary fibrosis, unspecified; J84.11 Idiopathic interstitial pneumonia and J84.17 Other interstitial pulmonary diseases with fibrosis in diseases classified elsewhere. Its coding notes include a Use additional code instruction, a Code also instruction, 3 Excludes1 entries and 10 Excludes2 entries.
Use additional code
Add the listed code as a secondary code, if known.
Also from chapter/block level (7 notes)
Code also
Two codes may be needed to describe the condition. This note gives no sequencing order.
- , if applicable, pulmonary fibrosis (chronic) due to inhalation of chemicals, gases, fumes or vapors (J68.4)
- , if applicable, associated condition
Excludes1
Not coded here. The listed conditions generally should not be reported together.
- pulmonary fibrosis (chronic) following radiation (J70.1)
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
- lung diseases due to external agents (J60-J70)
Also from chapter/block level (9 notes)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- smoke inhalation (T59.81-)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Notes
Also from chapter/block level (1 note)
- 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).