Is ICD-10-CM code A58 billable?

Yes, A58 (Granuloma inguinale) is a billable ICD-10-CM diagnosis code, valid for reimbursement on HIPAA-covered transactions for FY2027.

What chapter does ICD-10-CM code A58 belong to?

A58 belongs to Chapter 1 of the ICD-10-CM tabular list: A00–B99 (Certain Infectious and Parasitic Diseases).

A58Billable, valid for claims from October 1, 2026

Granuloma inguinale

In Infections with a predominantly sexual mode of transmission (A50-A64), chapter 1: Certain Infectious and Parasitic Diseases

A58 is billable and valid on claims for FY 2027. If the record has more detail, check the other codes under A50-A64 below.
As a secondary diagnosis it is not a CC or MCC, so it doesn't raise the MS-DRG payment.
Doesn't count toward a Medicare Advantage risk score (no HCC in V28).
AHRQ's Chronic Condition Indicator classes it as not chronic (an acute or short-term condition).

Also indexed as: Disease, sexually transmitted, granuloma inguinale; Donovanosis; Granuloma, genito-inguinale; Granuloma, inguinale; Granuloma, penis, venereal; Granuloma, pudendi; Granuloma, vagina; Granuloma, venereum; Ulcer, granuloma of pudenda; Vaginitis, granuloma; Venereal, granuloma inguinale

Instructional notes

Includes: conditions that are coded here

Donovanosis

Also applies, from Infections with a predominantly sexual mode of transmission (A50-A64)

These notes sit on A50-A64 and apply to every code under it, including A58.

Excludes1: not coded here, use a different code

nonspecific and nongonococcal urethritis (N34.1)
Reiter's disease (M02.3-)

Excludes2: not included here, code separately if applicable

human immunodeficiency virus [HIV] disease (B20)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Rules for coding infections and parasitic diseases, including HIV, organism and drug resistance codes, sepsis and septic shock, MRSA, Zika, and COVID-19.

Human Immunodeficiency Virus (HIV) Infections (page 19)
Infectious agents as the cause of diseases classified to other chapters (page 22)
Infections resistant to antibiotics (page 22)
Sepsis, Severe Sepsis, and Septic Shock (page 23)
Methicillin Resistant Staphylococcus aureus (MRSA) Conditions (page 27)
Zika virus infections (page 28)
Coronavirus infections (page 28)

Read Section I.C.1 (page 19)

Other codes under A50-A64

Infections with a predominantly sexual mode of transmission (A50-A64)

A58 MS-DRGs

As the principal diagnosis, A58 groups to these 7 MS-DRGs (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

Related conditions

Grouped by AHRQ's Clinical Classifications Software Refined (CCSR), which sorts every diagnosis code into clinically meaningful categories.

A58 is in Sexually transmitted infections (excluding HIV and hepatitis) (INF010, its default category), with 160 codes. Others in it:

A50.01 Early congenital syphilitic oculopathy
A50.02 Early congenital syphilitic osteochondropathy
A50.03 Early congenital syphilitic pharyngitis
A50.04 Early congenital syphilitic pneumonia
A50.05 Early congenital syphilitic rhinitis
A50.06 Early cutaneous congenital syphilis
A50.07 Early mucocutaneous congenital syphilis
A50.08 Early visceral congenital syphilis

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Sexually Transmitted Infections

Sexually transmitted infections (STIs) are infections that are passed from one person to another through sexual contact. If not treated, an STI can develop into a sexually transmitted disease (STD).

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.

ICD-9-CM equivalent

Legacy crosswalk from the CMS General Equivalence Mappings (last updated 2018).

099.2 Granuloma inguinale

ICD-9 to ICD-10 converter