A74.9
BillableChlamydial infection, unspecified
Chlamydial infection, unspecified
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Chlamydiosis NOS
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)
Excludes 2
Conditions not included here, but the patient may have both
- carrier or suspected carrier of infectious disease (Z22.-)
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
- chlamydial pneumonia (J16.0)
Use Additional Code
Additional codes that should follow this code
- code to identify resistance to antimicrobial drugs (Z16.-)
Also Known As / Clinical Terms
UMLS
- chlamydiosisC0276108
- Chlamydia psittaci InfectionC0276108
- Chlamydia psittaci infectionC0276108
- Chlamydia psittaci infectionsC0276108
- Chlamydiosis NOSC0276108
- Chlamydophila psittaci InfectionC0276108
- PsittacosisC0276108
- chlamydia infection psittaciC0276108
- CHLAMYDIA INFECTC0008149
- Chlamydia InfectionC0008149
- Chlamydia InfectionsC0008149
- Chlamydial InfectionC0008149
- Chlamydial infectionC0008149
- Chlamydial infection (disorder)C0008149
- Chlamydial infection NOSC0008149
- Chlamydial infection, unspecifiedC0008149
- Chlamydial infectionsC0008149
- Chlamydial infectious disordersC0008149
- INFECT CHLAMYDIAC0008149
- Infection, ChlamydiaC0008149
- Infections, ChlamydiaC0008149
- chlamydia bacteria infectionC0008149
- chlamydia infectionC0008149
- chlamydia infectionsC0008149
- chlamydial diseaseC0008149
- chlamydial infectionC0008149
- chlamydial infectionsC0008149
SNOMED CT
- Trachoma2576002
- Chlamydial infection105629000
- CT - Chlamydia trachomatis infection240589008
- Chlamydia trachomatis infection240589008
- Neonatal chlamydial infection240590004
- Chlamydial ophthalmia neonatorum240591000
- Neonatal chlamydial conjunctivitis240591000
- Neonatal conjunctivitis due to chlamydiae240591000
- Neonatal inclusion blennorrhea240591000
- Neonatal inclusion body conjunctivitis240591000
- Ophthalmia neonatorum - chlamydial240591000
- Venereal disease in pregnancy274118001
- Neonatal bacterial conjunctivitis276680000
- Chlamydia pneumoniae infection1163507005
- Infection caused by Chlamydia pneumoniae1163507005
- Chlamydia trachomatis infection in childbirth10750051000119105
- Chlamydia trachomatis infection in mother complicating childbirth10750051000119105
- Chlamydia trachomatis infection in pregnancy1621000119101
- STD (sexually transmitted disease) in childbirth10759841000119105
- Sexually transmitted disease in childbirth10759841000119105
- Sexually transmitted infectious disease in mother complicating childbirth10759841000119105
- Venereal disease caused by Chlamydia trachomatis112121000119105
Frequently Asked Questions
What is ICD-10 code A74.9?
ICD-10-CM code A74.9 represents "Chlamydial infection, unspecified". It is a billable/specific code that can be used on a claim.
Is A74.9 a billable code?
Yes, A74.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is A74.9 in?
A74.9 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A74.9?
A74.9 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.
Are additional codes required with A74.9?
Yes, when using A74.9 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).
What SNOMED CT codes does A74.9 map to?
A74.9 maps to 12 SNOMED CT concepts: 240589008, 1163507005, 10750051000119105, 1621000119101, 105629000, and 7 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for A74.9?
A74.9 is linked to 2 UMLS Concept Unique Identifiers: C0276108, C0008149. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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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.