2027 ICD-10-CM Diagnosis Code A39.89Other meningococcal infections

ICD-10-CM Codes›A00–B99›A30-A49›A39

ICD-10-CM A39.89
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

A39.89 is a billable ICD-10-CM diagnosis code for other meningococcal infections. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 870 through 872. 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 9 closely related codes. Coders also document this condition as bilateral meningococcal conjunctivitis. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Bacterial infections.

Code Identity

ICD-10-CM Code
A39.89
Billable Status
Yes — Valid for Submission
Code Describes
Other meningococcal infections
Short Description
Other meningococcal infections
Same as the full description in the CMS dataset.
Parent Code
A39.8
Other meningococcal infections

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionA30-A49Other bacterial diseases
CategoryA39Meningococcal infection
This CodeA39.89Other meningococcal infections

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Bilateral meningococcal conjunctivitis
  • Conjunctivitis of bilateral eyes caused by bacteria
  • Left meningococcal conjunctivitis
  • Meningococcal conjunctivitis
  • Meningococcal eye disease
  • Meningococcal pharyngitis
  • Meningococcal pneumonia
  • Meningococcal rash
  • Right meningococcal conjunctivitis

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to A39.89: its own notes plus those printed at 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.

From Chapter 1 (A00-B99) Certain infectious and parasitic diseases applies to 1,068 codes
  • diseases generally recognized as communicable or transmissible

Applicable To

Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.

  • Meningococcal conjunctivitis

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.

From Chapter 1 (A00-B99) Certain infectious and parasitic diseases applies to 1,068 codes
  • 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.

From Chapter 1 (A00-B99) Certain infectious and parasitic diseases applies to 1,068 codes
  • code to identify resistance to antimicrobial drugs (Z16.-)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

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 INF003
Bacterial infections
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Meningococcal Infections

    infections with bacteria of the species neisseria meningitidis.

Patient EducationClinical

Meningococcal Disease

Meningococcal disease is the name for any illness that is caused by Neisseria meningitidis bacteria (also called meningococcal bacteria). These illnesses are often severe and can sometimes be deadly. They include infections of the lining of the brain and spinal cord (meningitis) and in the bloodstream (sepsis).

The full article covers:

  • What is meningococcal disease?
  • What causes meningococcal disease?
  • Who is more likely to get meningococcal disease?
  • What are the symptoms of meningococcal disease?
  • How is meningococcal disease diagnosed?
  • What are the treatments for meningococcal disease?
  • Can meningococcal disease be prevented?

Read the full article at MedlinePlus

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

Convert A39.89 to ICD-9-CMHistory

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

ICD-9-CM
036.89 Meningococcal infect NEC
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 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About A39.89Overview

What is the ICD-10 code for other meningococcal infections?

The ICD-10-CM code for other meningococcal infections is A39.89 (sometimes written as A3989). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is A39.89 (Other meningococcal infections) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other meningococcal infections on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does A39.89 group to?

When other meningococcal infections is the principal diagnosis on an inpatient stay, it groups to MS-DRG 872, 871, 870, with relative weights from 1.0066 to 6.9432 depending on complications. Higher weights mean higher Medicare reimbursement.

Is A39.89 a CC or MCC?

CMS lists A39.89 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 9 closely related codes in its exclusion list.

What is the ICD-9 equivalent of A39.89?

Under the General Equivalence Mappings, other meningococcal infections converts to ICD-9-CM 036.89 (meningococcal infect NEC). The mapping is a direct match.