2027 ICD-10-CM Diagnosis Code A54.9Gonococcal infection, unspecified
ICD-10-CM Codes›A00–B99›A50-A64›A54
- Billable — Valid for Submission
- CC — Complication or Comorbidity
- Not Chronic
A54.9 is a billable ICD-10-CM diagnosis code for gonococcal infection, unspecified. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 867 through 869. As a secondary diagnosis, it counts as a complication or comorbidity (CC) and moves an inpatient stay to a higher severity level within its MS-DRG family. It does not count, however, when the principal diagnosis is one of 151 closely related codes. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Sexually transmitted infections (excluding HIV and hepatitis).
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Chronic gonorrhea
- Disease caused by Neisseria
- Disseminated infection caused by Neisseria gonorrhoeae
- Gonorrhea
- Gonorrhea in mother complicating childbirth
- Infection caused by Neisseria gonorrhoeae during puerperium
- Maternal gonorrhea during pregnancy
- Maternal gonorrhea during pregnancy, childbirth and the puerperium
- Neisseria sicca or Neisseria subflava
- Neisseria weaveri or Neisseria elongata
- Neonatal gonococcal infection
- Recurrent infection caused by Gram-negative bacteria
- Recurrent infection caused by Neisseria
- Recurrent Neisseria infection due to factor D deficiency
- Sexually transmitted infectious disease in mother complicating childbirth
- Venereal disease in pregnancy
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to A54.9: its own notes plus those printed at block A50-A64 and Chapter 1. A note printed at a category, block or chapter applies to every code under it.
Includes
Further defines, or gives examples of, the content of the category.
- diseases generally recognized as communicable or transmissible
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
- human immunodeficiency virus [HIV] disease (B20)
- carrier or suspected carrier of infectious disease (Z22.-)
- certain localized infections - see body system-related chapters
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
Use Additional Code
Add a second code, after this one, to fully describe the condition.
- code to identify resistance to antimicrobial drugs (Z16.-)
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name A54.9, its category, or a range that includes it.
Applicable To 1
These notes mention A54.9.
Excludes2 1
These codes carry an Excludes2 note naming A54.9: its condition is not part of those codes, and both may be reported when the patient has both.
- Block P35-P39 Infections specific to the perinatal periodcongenital gonococcal infection (A54.-) names A54.-, which includes this code
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Disease, diseased See Also: Syndrome;
gonococcal NOS A54.9
Gonococcus, gonococcal (disease) (infection) See Also: condition; A54.9
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Gonorrhea
acute infectious disease characterized by primary invasion of the urogenital tract. the etiologic agent, neisseria gonorrhoeae, was isolated by neisser in 1879.
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 A54.9 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About A54.9Overview
What is the ICD-10 code for gonococcal infection, unspecified?
The ICD-10-CM code for gonococcal infection, unspecified is A54.9 (sometimes written as A549). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is A54.9 (Gonococcal infection) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report gonococcal infection, unspecified on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does A54.9 group to?
When gonococcal infection, unspecified is the principal diagnosis on an inpatient stay, it groups to MS-DRG 867, 869, 868, with relative weights from 0.6784 to 2.1855 depending on complications. Higher weights mean higher Medicare reimbursement.
Is A54.9 a CC or MCC?
CMS lists A54.9 as a CC (complication or comorbidity) for FY 2027. Reported as a secondary diagnosis, it moves the inpatient stay to a higher-weighted DRG within its severity family. It does not count when the principal diagnosis is one of the 151 closely related codes in its exclusion list.
Can A54.9 be reported with N34.1?
Not as a rule. The Excludes1 note at block A50-A64, which applies to A54.9, lists "nonspecific and nongonococcal urethritis (N34.1)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).
