A51

Non-Billable

Early syphilis

A51 should not be used for reimbursement purposes as there are multiple sub-diagnoses that fall under this code. Please refer to the sub-diagnoses below.

Related Diagnoses

  • A51.0Primary genital syphilis
  • A51.1Primary anal syphilis
  • A51.2Primary syphilis of other sites
  • A51.3Secondary syphilis of skin and mucous membranes
  • A51.4Other secondary syphilis
    • A51.41Secondary syphilitic meningitis
    • A51.42Secondary syphilitic female pelvic disease
    • A51.43Secondary syphilitic oculopathy
    • A51.44Secondary syphilitic nephritis
    • A51.45Secondary syphilitic hepatitis
    • A51.46Secondary syphilitic osteopathy
    • A51.49Other secondary syphilitic conditions
  • A51.5Early syphilis, latent
  • A51.9Early syphilis, unspecified
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