A56.4 Chlamydial infection of pharynx

Instructional Notes:

A56.4
Description: Chlamydial infection of pharynx
↓
A56
Description: Other sexually transmitted chlamydial diseases
Exclude1:
- neonatal chlamydial conjunctivitis (P39.1)
- neonatal chlamydial pneumonia (P23.1)
Exclude2:
- chlamydial lymphogranuloma (A55)
- conditions classified to A74.-
Include:
- sexually transmitted diseases due to Chlamydia
- trachomatis
↓
A50-A64
Description: Infections with a predominantly sexual mode of transmission (A50-A64)
Exclude1:
- nonspecific and nongonococcal urethritis (N34.1)
- Reiter's disease (M02.3-)
Exclude2:
- human immunodeficiency virus [HIV] disease (B20)
↓
A00-B99
Description: Certain infectious and parasitic diseases
Exclude1:
- certain localized infections - see body system-related chapters
Exclude2:
- 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)
Use Additional Code:
- code to identify resistance to antimicrobial drugs (Z16.-)
Include:
- diseases generally recognized as communicable or transmissible