2026 ICD-10-CM Diagnosis Code A54.5Gonococcal pharyngitis

ICD-10-CM Codes›A00–B99›A50-A64›A54

ICD-10-CM A54.5
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

A54.5 is a billable ICD-10-CM diagnosis code for gonococcal pharyngitis. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 11 through 13, 152 through 153. Coders also document this condition as gonorrhea of pharynx. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified upper respiratory infections and Sexually transmitted infections (excluding HIV and hepatitis).

Code Identity

ICD-10-CM Code
A54.5
Billable Status
Yes — Valid for Submission
Code Describes
Gonococcal pharyngitis
Short Description
Gonococcal pharyngitis
Same as the full description in the CMS dataset.
Parent Code
A54
Gonococcal infection

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionA50-A64Infections with a predominantly sexual mode of transmission
CategoryA54Gonococcal infection
This CodeA54.5Gonococcal pharyngitis

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Gonorrhea of pharynx

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR RSP006
Other specified upper respiratory infections
Default principal diagnosis: inpatient No · outpatient No
CCSR INF010
Sexually transmitted infections (excluding HIV and hepatitis)
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Acute Gonococcal Infection of Lower Genitourinary Tract

    a gonococcal infection of the lower urinary tract that is rapid in onset.

  • Acute Gonococcal Infection of Upper Genitourinary Tract

    a gonococcal infection of the upper urinary tract that is rapid in onset.

  • Gonococcal Infection

    an infection that is caused by gonococcus.

  • Gonococcal Infection of Genitourinary Tract

    a genitourinary infection that is caused by neisseria gonorrhoeae.

Patient EducationClinical

Gonorrhea

Gonorrhea is a sexually transmitted infection (STI). It is most common in young adults. The bacteria that cause gonorrhea can infect the genital tract, mouth, or anus. You can get gonorrhea during vaginal, oral, or anal sex with an infected partner. A pregnant woman can pass it to her baby during childbirth.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert A54.5 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
098.6 Gonococcal infec pharynx
Exact Match The mapping is direct, with no qualifiers.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About A54.5Overview

What is the ICD-10 code for gonococcal pharyngitis?

The ICD-10-CM code for gonococcal pharyngitis is A54.5 (sometimes written as A545). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Is A54.5 (Gonococcal infection) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report gonococcal pharyngitis on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does A54.5 group to?

When gonococcal pharyngitis is the principal diagnosis on an inpatient stay, it groups to MS-DRG 11, 12, 13, 152, 153, with relative weights from 0.7382 to 5.4541 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of A54.5?

Under the General Equivalence Mappings, gonococcal pharyngitis converts to ICD-9-CM 098.6 (gonococcal infec pharynx). The mapping is a direct match.