J85Header code — not billable

Abscess of lung and mediastinum

Chapter
10. Diseases of the respiratory system
Category
J85
Effective date
October 1, 2026

Related codes in category J85

J85.0Gangrene and necrosis of lungYesJ85.1Abscess of lung with pneumoniaYesJ85.2Abscess of lung without pneumoniaYesJ85.3Abscess of mediastinumYes

Frequently asked questions

What is ICD-10 code J85?

J85 is an ICD-10-CM diagnosis code for Abscess of lung and mediastinum.

Is J85 a billable code?

No. J85 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is J85 in?

J85 falls under Chapter 10: Diseases of the respiratory system.

When did J85 become effective?

J85 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to J85?

J85 belongs to category J85, which includes 4 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.