A70-A74
Other diseases caused by chlamydiae
Block coding notes
Excludes 1 never together · Excludes 2 may co-exist
Excludes 1
sexually transmitted chlamydial diseases (A55-A56)
Codes in this block
11 codes
Billableusable codeNon-billableheader / grouping codeRisk-adjusting
- A70Chlamydia psittaci infectionsBillable
- A71TrachomaNon-billable
- A71.0Initial stage of trachomaBillable
- A71.1Active stage of trachomaBillable
- A71.9Trachoma, unspecifiedBillable
- A74Other diseases caused by chlamydiaeNon-billable
- A74.0Chlamydial conjunctivitisBillable
- A74.8Other chlamydial diseasesNon-billable
- A74.81Chlamydial peritonitisBillable
- A74.89Other chlamydial diseasesBillable
- A74.9Chlamydial infection, unspecifiedBillable
Official Guidelines for A70-A74
FY 2026 ›I.C.1Chapter-specific guidanceChapter 1: Certain Infectious and Parasitic Diseases (A00-B99), U07.1, U09.9
Subsections
- I.C.1.aHuman Immunodeficiency Virus (HIV) Infections
- I.C.1.bInfectious agents as the cause of diseases classified to other chapters
- I.C.1.cInfections resistant to antibiotics
- I.C.1.dSepsis, Severe Sepsis, and Septic Shock Infections resistant to antibiotics
- I.C.1.eMethicillin Resistant Staphylococcus aureus (MRSA) Conditions
- I.C.1.fZika virus infections
- I.C.1.gCoronavirus infections