ICD10BillableValid for clinical use

ICD-10 Code A18.53: Tuberculous chorioretinitis

A18.53 is a billable ICD-10 diagnosis code used to classify Tuberculous chorioretinitis in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Certain infectious and parasitic diseases (A00-B99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Certain infectious and parasitic diseases (A00-B99).

When is it used?

  • May be used when a clinician documents tuberculous chorioretinitis in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
1Certain infectious and parasitic diseases (A00-B99)
block
A15-A19Tuberculosis
category
A18Tuberculosis of other organs
category
A18.5Tuberculosis of eye
currentA18.5

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

Infectious Disease SpecialistGeneral Physician

Coverage-related procedures and services

CPT 82306high
VITAMIN D; 25 HYDROXY, INCLUDES FRACTION(S), IF PERFORMED
Source: CMS coverage guidance
CPT 82652high
VITAMIN D; 1, 25 DIHYDROXY, INCLUDES FRACTION(S), IF PERFORMED
Source: CMS coverage guidance
CPT 0509Thigh
ELECTRORETINOGRAPHY (ERG) WITH INTERPRETATION AND REPORT, PATTERN (PERG)
Source: CMS coverage guidance
CPT 92273high
ELECTRORETINOGRAPHY (ERG), WITH INTERPRETATION AND REPORT; FULL FIELD (IE, FFERG, FLASH ERG, GANZFELD ERG)
Source: CMS coverage guidance
CPT 92274high
ELECTRORETINOGRAPHY (ERG), WITH INTERPRETATION AND REPORT; MULTIFOCAL (MFERG)
Source: CMS coverage guidance
CPT 92083high
VISUAL FIELD EXAMINATION, UNILATERAL OR BILATERAL, WITH INTERPRETATION AND REPORT; EXTENDED EXAMINATION (EG, GOLDMANN VISUAL FIELDS WITH AT LEAST 3 ISOPTERS PLOTTED AND STATIC DETERMINATION WITHIN THE CENTRAL 30 DEG, OR QUANTITATIVE, AUTOMATED THRESHOLD PERIMETRY, OCTOPUS PROGRAM G-1, 32 OR 42, HUMPHREY VISUAL FIELD ANALYZER FULL THRESHOLD PROGRAMS 30-2, 24-2, OR 30/60-2)
Source: CMS coverage guidance

Coding guidelines

Common synonyms

Tuberculous chorioretinitis

Frequently asked questions

Code details

CodeA18.53
SystemICD10
Display nameTuberculous chorioretinitis
ChapterCertain infectious and parasitic diseases (A00-B99)
BlockTuberculosis

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
ChorioretinitisChorioretinitisRetinitisTuberculosis, tubercular, tuberculous(calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative)Tuberculosis, tubercular, tuberculous(calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative)Tuberculosis, tubercular, tuberculous(calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code A18.53 for Tuberculous chorioretinitis | HealthAssure