NPI Atlas

J85 – Abscess of lung and mediastinum

ICD-10-CM 2027 diagnosis code · Suppurative and necrotic conditions of the lower respiratory tract

Non-billable header

ICD-10-CM code J85

Code: J85 (claims format: J85)
Description: Abscess of lung and mediastinum
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 10. Diseases of the respiratory system (J00-J99)
Block: J85-J86 Suppurative and necrotic conditions of the lower respiratory tract

Billable codes under J85

J85 is a header code and cannot be used on claims. Choose the most specific code:

J85.0 – Gangrene and necrosis of lungBillable
J85.1 – Abscess of lung with pneumoniaBillable
J85.2 – Abscess of lung without pneumoniaBillable
J85.3 – Abscess of mediastinumBillable

Notes for J85

Use additional code:

code (B95-B97) to identify infectious agent.

Frequently asked questions

What is ICD-10 code J85?

J85 is the ICD-10-CM code for abscess of lung and mediastinum, in the block J85-J86 (Suppurative and necrotic conditions of the lower respiratory tract).

Is J85 a billable code?

No. J85 is a header code with more specific child codes; report one of the billable codes listed above.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.