2026 ICD-10-CM Diagnosis Code A71Trachoma

ICD-10-CM CodesA00–B99A70-A74A71

ICD-10-CM A71
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

A71 is a non-billable ICD-10-CM category code for trachoma, so it cannot be submitted on claims. Use a more specific code from this category instead, such as A71.0, A71.1, and A71.9.

Code Identity

ICD-10-CM Code
A71
Billable Status
No — Non-Billable Category
Code Describes
Trachoma
Chapter
A70-A74
Other diseases caused by chlamydiae

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionA70-A74Other diseases caused by chlamydiae
CategoryA71Trachoma
This CodeA71Trachoma

Specific Coding for TrachomaOverview

Non-specific codes like A71 require more characters. Use one of these billable codes instead:

  • Use A71.0 for Initial stage of trachoma

  • Use A71.1 for Active stage of trachoma

  • Use A71.9 for Trachoma, unspecified

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Type 1 Excludes

  • sequelae of trachoma B94.0

Clinical InformationClinical

  • Trachoma

    a chronic infection of the conjunctiva and cornea caused by chlamydia trachomatis.
  • Chlamydia Trachomatis Antigen Measurement|CTRAG|Chlamydia trachomatis Antigen|Chlamydia trachomatis Antigen

    the determination of the chlamydia trachomatis antigen present in a sample.
  • Chlamydia trachomatis DNA Measurement|CTRDNA|Chlamydia trachomatis DNA|Chlamydia trachomatis DNA

    the determination of the amount of chlamydia trachomatis dna present in a sample.
  • Chlamydia trachomatis IgA Antibody Measurement

    the determination of the amount of chlamydia trachomatis iga antibody present in a sample.
  • Chlamydia trachomatis IgG Antibody Measurement

    the determination of the amount of chlamydia trachomatis igg antibody present in a sample.
  • Chlamydia trachomatis IgM Antibody Measurement

    the determination of the amount of chlamydia trachomatis igm antibody present in a sample.
  • Chlamydia trachomatis Measurement|CTR|Chlamydia trachomatis|Chlamydia trachomatis

    the determination of the amount of chlamydia trachomatis in a biological sample.
  • Chlamydia Trachomatis RNA Measurement|CTRRNA|Chlamydia trachomatis RNA|Chlamydia trachomatis RNA

    the determination of the amount of chlamydia trachomatis rna in a biological sample.
  • Chlamydia trachomatis|CHLAMYDIA TRACHOMATIS|CHLAMYDIA TRACHOMATIS

    a species of facultatively aerobic, gram-negative, coccobacilli assigned to the phylum chlamydiae. this species cannot be grown on an artificial medium, lacks peptidoglycan within the cell wall, forms elementary and reticulate bodies and can be identified using monoclonal antibodies (mabs) to epitopes in the vs 4 region of momp along with dna sequencing. c. trachomatis is an obligate intracellular parasite that can be transmitted through sexual contact causing infections of the genital tract and rectum and infertility in women, as well as cause eye infections.
  • Neonatal Chlamydia Conjunctivitis|Neonatal Chlamydial Conjunctivitis|Neonatal Inclusion Conjunctivitis|Neonatal Trachoma

    inflammation of the conjunctiva in a newborn due to chlamydia trachomatis which was acquired during labor and delivery.
  • Trachoma

    a bacterial infection of the eye caused by chlamydia trachomatis.

Patient EducationClinical

Bacterial Infections

Bacteria are tiny organisms (living things) that have only one cell. Under a microscope, they look like balls, rods, or spirals. They can be found almost everywhere on Earth. There are lots of bacteria in and on your body. In fact, your body has about 10 times more bacteria cells than human cells.

The full article covers:

  • What are bacteria?
  • How do bacterial infections spread?
  • What are the treatments for bacterial infections?
  • Can bacterial infections be prevented?

Read the full article at MedlinePlus

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

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 A71Overview

Is A71 (Trachoma) a billable code?

No. This is a category header that groups the codes for trachoma, and headers cannot be submitted on claims. Claims for trachoma need a more specific code from this category, such as A71.0, A71.1, and A71.9.