ICD10
ICD-10 Code A74.8: Other chlamydial diseases
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. 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 other chlamydial diseases in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.
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.
- This entry may represent a broader category rather than the most specific billable code.
Code hierarchy
chapter
1Certain infectious and parasitic diseases (A00-B99)
block
A70-A74Other diseases caused by chlamydiae
category
A74Other diseases caused by chlamydiae
currentA74
Where you may see this code
You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.
Related specialists
Infectious Disease SpecialistGeneral Physician
Mapped diagnoses and classifications
SNOMED_CT 233600003high
Acute chlamydial bronchitis
Source: SNOMED International ICD-10 map
SNOMED_CT 1163507005high
Chlamydia pneumoniae infection
Source: SNOMED International ICD-10 map
SNOMED_CT 406566006high
Chlamydial infection of the central nervous system
Source: SNOMED International ICD-10 map
SNOMED_CT 237043008high
Chlamydial perihepatitis
Source: SNOMED International ICD-10 map
SNOMED_CT 197172005high
Chlamydial peritonitis
Source: SNOMED International ICD-10 map
SNOMED_CT 59484000high
Chlamydial polyarthritis
Source: SNOMED International ICD-10 map
Related concepts
Coding guidelines
Compatibility
Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.
Legacy codes
A74.8
Replacement codes
A74.81 — Chlamydial peritonitisA74.89 — Other chlamydial diseases
Common synonyms
Other chlamydial diseases
Frequently asked questions
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.