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A74.9 - Chlamydial infection, unspecified


The ICD 10 Code for Chlamydial infection, unspecified is listed as A74.9.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: A74.9
Description: Chlamydial infection, unspecified
  • Chlamydiosis NOS
  • Rickettsioses (A75-A79)
Diagnostic Related Groups
(MS-DRG v30.0)
865 - Viral Illness W Mcc
866 - Viral Illness W/o Mcc
Chapter Certain infectious and parasitic diseases (A00-B99)
Block Other diseases caused by chlamydiae (A70-A74)
Parent A74 - Other diseases caused by chlamydiae
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 079.98 - Unspecified chlamydial infection (approximate)
ICD-10-CM Siblings (same level / similar specificity) of A74.9:
A74.0 - Chlamydial conjunctivitis
A74.8 - Other chlamydial diseases