ICD-10-CM 2027
ICD-10 code for chest wall fistula
From the official ICD-10-CM alphabetic index entry “Fistula (cutaneous) › chest (wall)”. Page updated September 29, 2026.
About coding chest wall fistula
The ICD-10-CM code for chest wall fistula is J86.0 (Pyothorax with fistula).
Within J86 (Pyothorax), J86.0 is specifically for Pyothorax with fistula. Related codes cover without fistula (J86.9).
Use an additional code (B95-B97) to identify infectious agent.
As a secondary diagnosis it is an MCC (major complication or comorbidity), which can move an inpatient stay into the highest-paying "with MCC" MS-DRG of its family, unless the principal diagnosis excludes it.
Common questions about chest wall fistula ICD-10 codes
What is the ICD-10 code for chest wall fistula?
- J86.0 — Pyothorax with fistula.
Is J86.0 billable?
- Yes. J86.0 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can J86.0 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict J86.0 as a principal diagnosis.
Is J86.0 a CC or MCC?
- J86.0 is an MCC (major complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.