2017/18 ICD-10-CM Diagnosis Code A74

Other diseases caused by chlamydiae

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 A74. 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
    )
  • Reiter's disease (
    ICD-10-CM Diagnosis Code M02.3

    Reiter's disease

      2016 2017 2018 Non-Billable/Non-Specific Code
    Applicable To
    • Reactive arthritis
    M02.3-
    )
  • sexually transmitted chlamydial diseases (
    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
    -
    ICD-10-CM Diagnosis Code A56

    Other sexually transmitted chlamydial diseases

      2016 2017 2018 Non-Billable/Non-Specific Code
    Includes
    • sexually transmitted diseases due to Chlamydia
    • trachomatis
    Type 1 Excludes
    • neonatal chlamydial conjunctivitis (P39.1)
    • neonatal chlamydial pneumonia (P23.1)
    Type 2 Excludes
    • chlamydial lymphogranuloma (A55)
    • conditions classified to A74.-
    A56
    )
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 (A74) and the excluded code together.
  • chlamydial pneumonia (
    ICD-10-CM Diagnosis Code J16.0

    Chlamydial pneumonia

      2016 2017 2018 Billable/Specific Code
    J16.0
    )
The following code(s) above A74 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 A74:
  • 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
  • A70-A74
    2018 ICD-10-CM Range A70-A74

    Other diseases caused by chlamydiae

    Type 1 Excludes
    • sexually transmitted chlamydial diseases (A55-A56)
    Other diseases caused by chlamydiae
Code History
Code annotations containing back-references to A74:
ICD-10-CM Codes Adjacent To A74
A69.22 Other neurologic disorders in Lyme disease
A69.23 Arthritis due to Lyme disease
A69.29 Other conditions associated with Lyme disease
A69.8 Other specified spirochetal infections
A69.9 Spirochetal infection, unspecified
A70 Chlamydia psittaci infections
A71 Trachoma
A71.0 Initial stage of trachoma
A71.1 Active stage of trachoma
A71.9 Trachoma, unspecified
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
A75 Typhus fever
A75.0 Epidemic louse-borne typhus fever due to Rickettsia prowazekii
A75.1 Recrudescent typhus [Brill's disease]
A75.2 Typhus fever due to Rickettsia typhi
A75.3 Typhus fever due to Rickettsia tsutsugamushi

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