A56.00

Chlamydial infection of lower genitourinary tract, unspecified

Billable / specific

A56.00 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Includes (from A56)

  • diseases generally recognized as communicable or transmissible
  • sexually transmitted diseases due to Chlamydia
  • trachomatis

Excludes1

Not coded here — never report together with this code.

  • nonspecific and nongonococcal urethritis (N34.1) (from A56)
  • Reiter's disease (M02.3-) (from A56)
  • neonatal chlamydial conjunctivitis (P39.1) (from A56)
  • neonatal chlamydial pneumonia (P23.1) (from A56)

Excludes2

Not included here — may be reported together when both conditions exist.

  • carrier or suspected carrier of infectious disease (Z22.-) (from A56)
  • certain localized infections - see body system-related chapters (from A56)
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-) (from A56)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39) (from A56)
  • influenza and other acute respiratory infections (J00-J22) (from A56)
  • human immunodeficiency virus [HIV] disease (B20) (from A56)
  • chlamydial lymphogranuloma (A55) (from A56)
  • conditions classified to A74.- (from A56)

Use additional code

Add a code to identify the following, if applicable.

  • code to identify resistance to antimicrobial drugs (Z16.-) (from A56)

Also known as

  • Infection, infected, infective, Chlamydia, chlamydial, genitourinary tract, lower

Parent code

  • A56.0Chlamydial infection of lower genitourinary tractHeader

Related codes

  • A56.01Chlamydial cystitis and urethritisBillable
  • A56.02Chlamydial vulvovaginitisBillable
  • A56.09Other chlamydial infection of lower genitourinary tractBillable

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