1. ICD-10-CM Codes
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2. A00-B99 Certain infectious and parasitic diseases
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3. A50-A64 Infections with a predominantly sexual mode of transmission
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4. A55- Chlamydial lymphogranuloma (venereum)
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2018 ICD-10-CM Diagnosis Code A55

Chlamydial lymphogranuloma (venereum)

2016 2017 2018 Billable/Specific Code

• A55 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2018 edition of ICD-10-CM A55 became effective on October 1, 2017.
• This is the American ICD-10-CM version of A55 - other international versions of ICD-10 A55 may differ.

• Lymphogranuloma venereum

• Subacute inflammation of the inguinal lymph glands caused by certain immunotypes of chlamydia trachomatis. It is a sexually transmitted disease in the United States But is more widespread in developing countries. It is distinguished from granuloma venereum (see granuloma inguinale), which is caused by calymmatobacterium granulomatis.
• Subacute inflammation of the inguinal lymph glands caused by certain immunotypes of chlamydia trachomatis; a sexually transmitted disease in the United States but is more widespread in developing countries; do not confuse with granuloma venereum, which is caused by calymmatobacterium granulomatis, for this use enterobacteriaceae disease.

• 727 Inflammation of the male reproductive system with mcc
• 728 Inflammation of the male reproductive system without mcc
• 742 Uterine and adnexa procedures for non-malignancy with cc/mcc
• 743 Uterine and adnexa procedures for non-malignancy without cc/mcc
• 757 Infections, female reproductive system with mcc
• 758 Infections, female reproductive system with cc
• 759 Infections, female reproductive system without cc/mcc

Convert A55 to ICD-9-CM

• 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
• 2017 (effective 10/1/2016): No change
• 2018 (effective 10/1/2017): No change

• Type 2 Excludes: A56
  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.-

• Bubo I88.8
  ICD-10-CM Diagnosis Code I88.8

  Other nonspecific lymphadenitis

  2016 2017 2018 Billable/Specific Code
  • inguinal (nonspecific) I88.8
    ICD-10-CM Diagnosis Code I88.8

    Other nonspecific lymphadenitis

    2016 2017 2018 Billable/Specific Code
    • climatic A55
  • climatic A55
  • tropical A55
• Disease, diseased - see also Syndrome
  • venereal A64
    - see also Disease, sexually transmitted
    ICD-10-CM Diagnosis Code A64

    Unspecified sexually transmitted disease

    2016 2017 2018 Billable/Specific Code
    • fifth A55
    • sixth A55
  • Durand-Nicholas-Favre A55 (climatic bubo)
  • Favre-Durand-Nicolas A55 (climatic bubo)
  • Frei's A55 (climatic bubo)
  • Nicolas A55 (-Durand)-Favre (climatic bubo)
• Durand-Nicolas-Favre disease A55
• Esthiomene A55
• Fifth disease B08.3
  ICD-10-CM Diagnosis Code B08.3

  Erythema infectiosum [fifth disease]

  2016 2017 2018 Billable/Specific Code
  • venereal A55
• Frei's disease A55
• Genito-anorectal syndrome A55
• Infection, infected, infective (opportunistic) B99.9
  ICD-10-CM Diagnosis Code B99.9

  Unspecified infectious disease

  2016 2017 2018 Billable/Specific Code
  • Chlamydia, chlamydial A74.9
    ICD-10-CM Diagnosis Code A74.9

    Chlamydial infection, unspecified

    2016 2017 2018 Billable/Specific Code

    Applicable To

    • Chlamydiosis NOS
    • lymphogranuloma A55
• Lymphadenitis I88.9
  ICD-10-CM Diagnosis Code I88.9

  Nonspecific lymphadenitis, unspecified

  2016 2017 2018 Billable/Specific Code

  Applicable To

  • Lymphadenitis NOS
  • due to
    • chlamydial lymphogranuloma A55
    • lymphogranuloma venereum A55
  • venereal A55 (chlamydial)
• Lymphogranuloma (malignant) - see also Lymphoma, Hodgkin
  • chlamydial A55
  • inguinale A55
  • venereum A55 (any site) (chlamydial) (with stricture of rectum)
• Lymphopathia venereum, veneris A55
• Nicolas A55 (-Durand)
• Poradenitis, nostras inguinalis or venerea A55
• Stricture - see also Stenosis
  • rectum (sphincter) K62.4
    ICD-10-CM Diagnosis Code K62.4

    Stenosis of anus and rectum

    2016 2017 2018 Billable/Specific Code

    Applicable To

    • Stricture of anus (sphincter)
    • due to
      • chlamydial lymphogranuloma A55
      • lymphogranuloma venereum A55
    • inflammatory A55 (chlamydial)
• Syndrome - see also Disease
  • genito-anorectal A55
• Venereal
  • bubo A55
  • lymphogranuloma A55 (Durand-Nicolas-Favre)

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