ICD-10 Code A48.2 - Nonpneumonic Legionnaires' disease [Pontiac fever]

ICD-10-CM Diagnosis Code A48.2

Diagnosis Code: A48.2 (Raw: A482)

Description: Nonpneumonic Legionnaires' disease [Pontiac fever]

Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)

Fiscal Year: 2026

CMS Section 111 Status: Valid for reporting.

Overview & Clinical Details

ICD-10-CM code A48.2 is designated for Nonpneumonic Legionnaires' disease [Pontiac fever]. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.