A74.8
Non-billableOther chlamydial diseases
Other chlamydial diseases
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- diseases generally recognized as communicable or transmissible
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- certain localized infections - see body system-related chapters
- •sexually transmitted chlamydial diseasesA55-A56
- •neonatal chlamydial conjunctivitisP39.1
- •neonatal chlamydial pneumoniaP23.1
- •Reiter's diseaseM02.3
Excludes 2
Conditions not included here, but the patient may have both
- •carrier or suspected carrier of infectious diseaseZ22
- •infectious and parasitic diseases complicating pregnancy, childbirth and the puerperiumO98
- •infectious and parasitic diseases specific to the perinatal periodP35-P39
- •influenza and other acute respiratory infectionsJ00-J22
- •chlamydial pneumoniaJ16.0
Use Additional Code
Additional codes that should follow this code
Child Codes (2)
Related Codes(2)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for other chlamydial diseases?
The ICD-10-CM code for other chlamydial diseases is A74.8. The full clinical description is "Other chlamydial diseases". A74.8 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code A74.8 mean?
ICD-10-CM code A74.8 represents “Other chlamydial diseases”. It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and is a non-billable header code. Use a more specific child code for billing purposes.
Is A74.8 a billable code?
No, A74.8 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under A74.8.
What chapter is A74.8 in?
A74.8 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A74.8?
A74.8 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters; sexually transmitted chlamydial diseases (A55-A56); neonatal chlamydial conjunctivitis (P39.1); and 2 more.
What are the subcategories under A74.8?
A74.8 has 2 child codes, including: A74.81 (Chlamydial peritonitis), A74.89 (Other chlamydial diseases).
Are additional codes required with A74.8?
Yes, when using A74.8, also report: resistance to antimicrobial drugs (Z16.-).
What are the UMLS CUIs for A74.8?
A74.8 is linked to 1 UMLS Concept Unique Identifier: C0348162. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does A74.8 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other chlamydial diseases affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of A74.8?
A74.8 maps to the ICD-11 code: 1C2Z (Diseases due to chlamydiae, unspecified).
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.