2017/18 ICD-10-CM Diagnosis Code A56

Other sexually transmitted chlamydial diseases

Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as A56. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • neonatal chlamydial conjunctivitis (
    ICD-10-CM Diagnosis Code P39.1

    Neonatal conjunctivitis and dacryocystitis

      2016 2017 2018 Billable/Specific Code Code on Newborn Record
    Applicable To
    • Neonatal chlamydial conjunctivitis
    • Ophthalmia neonatorum NOS
    Type 1 Excludes
    • gonococcal conjunctivitis (A54.31)
    P39.1
    )
  • neonatal chlamydial pneumonia (
    ICD-10-CM Diagnosis Code P23.1

    Congenital pneumonia due to Chlamydia

      2016 2017 2018 Billable/Specific Code Code on Newborn Record
    P23.1
    )
Type 2 Excludes
Type 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (A56) and the excluded code together.
  • chlamydial lymphogranuloma (
    ICD-10-CM Diagnosis Code A55

    Chlamydial lymphogranuloma (venereum)

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Climatic or tropical bubo
    • Durand-Nicolas-Favre disease
    • Esthiomene
    • Lymphogranuloma inguinale
    A55
    )
  • conditions classified to
    ICD-10-CM Diagnosis Code A74
    • A74 Other diseases caused by chlamydiae
      • A74.0 Chlamydial conjunctivitis
      • A74.8 Other chlamydial diseases
        • A74.81 Chlamydial peritonitis
        • A74.89 Other chlamydial diseases
      • A74.9 Chlamydial infection, unspecified
    A74.-
Includes
Includes Help
"Includes" further defines, or give examples of, the content of the code or category.
  • sexually transmitted diseases due to Chlamydia
  • trachomatis
The following code(s) above A56 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to A56:
  • A00-B99
    2018 ICD-10-CM Range A00-B99

    Certain infectious and parasitic diseases

    Includes
    • diseases generally recognized as communicable or transmissible
    Type 1 Excludes
    • certain localized infections - see body system-related chapters
    Type 2 Excludes
    • 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 to identify resistance to antimicrobial drugs (Z16.-)
    Certain infectious and parasitic diseases
  • A50-A64
    2018 ICD-10-CM Range A50-A64

    Infections with a predominantly sexual mode of transmission

    Type 1 Excludes
    • human immunodeficiency virus [HIV] disease (B20)
    • nonspecific and nongonococcal urethritis (N34.1)
    • Reiter's disease (M02.3-)
    Infections with a predominantly sexual mode of transmission
Code History
ICD-10-CM Codes Adjacent To A56
A54.8 Other gonococcal infections
A54.81 Gonococcal meningitis
A54.82 Gonococcal brain abscess
A54.83 Gonococcal heart infection
A54.84 Gonococcal pneumonia
A54.85 Gonococcal peritonitis
A54.86 Gonococcal sepsis
A54.89 Other gonococcal infections
A54.9 Gonococcal infection, unspecified
A55 Chlamydial lymphogranuloma (venereum)
A56 Other sexually transmitted chlamydial diseases
A56.0 Chlamydial infection of lower genitourinary tract
A56.00 …… unspecified
A56.01 Chlamydial cystitis and urethritis
A56.02 Chlamydial vulvovaginitis
A56.09 Other chlamydial infection of lower genitourinary tract
A56.1 Chlamydial infection of pelviperitoneum and other genitourinary organs
A56.11 Chlamydial female pelvic inflammatory disease
A56.19 Other chlamydial genitourinary infection
A56.2 Chlamydial infection of genitourinary tract, unspecified
A56.3 Chlamydial infection of anus and rectum

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.