NPI Atlas

J85.3 – Abscess of mediastinum

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

Billable code

ICD-10-CM code J85.3

Code: J85.3 (claims format: J853)
Description: Abscess of mediastinum
Billable: Yes – valid for HIPAA-covered transactions
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
Parent codes: J85

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

J85 – Abscess of lung and mediastinum

Use additional code:

code (B95-B97) to identify infectious agent.

Index terms for J85.3

Entries in the ICD-10-CM alphabetic index that lead to this code:

Abscess, mediastinum

Related codes in J85

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

Frequently asked questions

What is ICD-10 code J85.3?

J85.3 is the ICD-10-CM code for abscess of mediastinum, in the block J85-J86 (Suppurative and necrotic conditions of the lower respiratory tract).

Is J85.3 a billable code?

Yes. J85.3 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does J85.3 belong to?

It belongs to category J85 – Abscess of lung and mediastinum.

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.