A48.2 – Nonpneumonic Legionnaires' disease [Pontiac fever]

ICD-10-CM 2027 diagnosis code · Other bacterial diseases

Billable code

ICD-10-CM code A48.2

Code: A48.2 (claims format: A482)
Description: Nonpneumonic Legionnaires' disease [Pontiac fever]
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 1. Certain infectious and parasitic diseases (A00-B99)
Block: A30-A49 Other bacterial diseases
Parent codes: A48

Notes inherited from parent codes

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

A48 – Other bacterial diseases, not elsewhere classified

Excludes1 (not coded here):

actinomycetoma (B47.1)

Index terms for A48.2

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

Related codes in A48

A48.0 – Gas gangreneBillable
A48.1 – Legionnaires' diseaseBillable
A48.3 – Toxic shock syndromeBillable
A48.4 – Brazilian purpuric feverBillable
A48.5 – Other specified botulismHeader
A48.8 – Other specified bacterial diseasesBillable

Frequently asked questions

What is ICD-10 code A48.2?

A48.2 is the ICD-10-CM code for nonpneumonic Legionnaires' disease [Pontiac fever], in the block A30-A49 (Other bacterial diseases).

Is A48.2 a billable code?

Yes. A48.2 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does A48.2 belong to?

It belongs to category A48 – Other bacterial diseases, not elsewhere classified.

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.