A51 Early syphilis

Non-billable header with 7 child codes.

Codes under A51

• A51.0 Primary genital syphilis
• A51.1 Primary anal syphilis
• A51.2 Primary syphilis of other sites
• A51.3 Secondary syphilis of skin and mucous membranes
• A51.4 Other secondary syphilis
• A51.5 Early syphilis, latent
• A51.9 Early syphilis, unspecified

Code annotations containing back-references to A51

Back-references to A51

• Type 2 Excludes: N34 Urethritis and urethral syndrome ("urethritis in diseases with a predominantly sexual mode of transmission (A50-A64)")

Back-references to A51

• Type 2 Excludes: N34 Urethritis and urethral syndrome ("urethritis in diseases with a predominantly sexual mode of transmission (A50-A64)")

Nearby codes

• A51 Early syphilis (this code)
• A51.0 Primary genital syphilis
• A51.1 Primary anal syphilis
• A51.2 Primary syphilis of other sites
• A51.3 Secondary syphilis of skin and mucous membranes
• A51.31 Condyloma latum