2026 ICD-10-CM Diagnosis Code A18.16Tuberculosis of cervix

ICD-10-CM Codes›A00–B99›A15-A19›A18

ICD-10-CM A18.16
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

A18.16 is a billable ICD-10-CM diagnosis code for tuberculosis of cervix. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 742 through 743, 757 through 759, 974 through 976. Coders also document this condition as female tuberculous pelvic inflammatory disease. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Inflammatory diseases of female pelvic organs and Tuberculosis.

Code Identity

ICD-10-CM Code
A18.16
Billable Status
Yes — Valid for Submission
Code Describes
Tuberculosis of cervix
Short Description
Tuberculosis of cervix
Same as the full description in the CMS dataset.
Parent Code
A18.1
Tuberculosis of genitourinary system

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionA15-A19Tuberculosis
CategoryA18Tuberculosis of other organs
This CodeA18.16Tuberculosis of cervix

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Female tuberculous pelvic inflammatory disease
  • Tuberculosis of female genital organs
  • Tuberculous cervicitis

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Cervicitis(acute) (atrophic) (chronic) (nonvenereal) (senile) (subacute) (with ulceration)
      • tuberculous
    • Tuberculosis, tubercular, tuberculous(calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative)
      • cervicitis, cervix (uteri)

Clinical ClassificationClinical

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

CCSR GEN018
Inflammatory diseases of female pelvic organs
Default principal diagnosis: inpatient No · outpatient No
CCSR INF001
Tuberculosis
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Cervix Disorders

A cervix disorder is a problem with your cervix. The cervix is part of the female reproductive system. It is the lower, narrow end of the uterus (womb), which opens into the vagina (birth canal). The cervix has a small opening that expands during childbirth. It also allows menstrual blood to leave your body.

The full article covers:

  • What is a cervix disorder?
  • Who is more likely to develop cervix disorders?
  • What are the symptoms of cervix disorders?
  • How are cervix disorders diagnosed?
  • What are the treatments for cervix disorders?
  • Can cervix disorders be prevented?

Read the full article at MedlinePlus

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

Convert A18.16 to ICD-9-CMHistory

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

ICD-9-CM
016.70 TB female gen NEC-unspec
Approximate The match is approximate rather than exact.

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 A18.16Overview

Is A18.16 (Tuberculosis of genitourinary system) a billable code?

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

What MS-DRG does A18.16 group to?

When tuberculosis of cervix is the principal diagnosis on an inpatient stay, it groups to MS-DRG 742, 743, 757, 758, 759, 974, 975, 976, with relative weights from 0.6636 to 2.8860 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of A18.16?

Under the General Equivalence Mappings, tuberculosis of cervix converts to ICD-9-CM 016.70 (TB female gen NEC-unspec). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.