ICD-10-CM 2027
ICD-10 code for Cryptogenic organizing pneumonia
From the official ICD-10-CM alphabetic index entry “Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved) › cryptogenic organizing”. Page updated September 29, 2026.
About coding Cryptogenic organizing pneumonia
The ICD-10-CM code for Cryptogenic organizing pneumonia is J84.116 (Cryptogenic organizing pneumonia).
Within J84.11 (idiopathic interstitial pneumonia), J84.116 is specifically for Cryptogenic organizing pneumonia. Related codes cover not otherwise specified (J84.111), idiopathic pulmonary fibrosis (J84.112), idiopathic non-specific interstitial pneumonitis (J84.113), acute interstitial pneumonitis (J84.114), respiratory bronchiolitis interstitial lung disease (J84.115) and Desquamative interstitial pneumonia (J84.117).
Don't report J84.116 together with the conditions in its Excludes1 note: organizing pneumonia NOS, or due to known underlying cause (J84.89).
As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.
Don't confuse with (Excludes1 for J84.116)
- organizing pneumonia NOS, or due to known underlying cause (J84.89)
Common questions about Cryptogenic organizing pneumonia ICD-10 codes
What is the ICD-10 code for Cryptogenic organizing pneumonia?
- J84.116 — Cryptogenic organizing pneumonia.
Is J84.116 billable?
- Yes. J84.116 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can J84.116 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict J84.116 as a principal diagnosis.
Is J84.116 a CC or MCC?
- J84.116 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.