1. ICD-10-CM Codes
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2. A00-B99 Certain infectious and parasitic diseases
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3. A20-A28 Certain zoonotic bacterial diseases
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4. A27- Leptospirosis
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2019 ICD-10-CM Diagnosis Code A27.0

Leptospirosis icterohemorrhagica

2016 2017 2018 2019 Billable/Specific Code

• A27.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2019 edition of ICD-10-CM A27.0 became effective on October 1, 2018.
• This is the American ICD-10-CM version of A27.0 - other international versions of ICD-10 A27.0 may differ.

• A severe form of leptospirosis, usually caused by leptospira interrogans serovar icterohaemorrhagiae and occasionally other serovars. It is transmitted to humans by the rat and is characterized by hemorrhagic and renal symptoms with accompanying jaundice.

• 867 Other infectious and parasitic diseases diagnoses with mcc
• 868 Other infectious and parasitic diseases diagnoses with cc
• 869 Other infectious and parasitic diseases diagnoses without cc/mcc

Convert A27.0 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
• 2019 (effective 10/1/2018): No change

• Disease, diseased - see also Syndrome
  • Fiedler's A27.0 (leptospiral jaundice)
  • Lancereaux-Mathieu A27.0 (leptospiral jaundice)
  • Larrey-Weil A27.0 (leptospiral jaundice)
  • Mathieu's A27.0 (leptospiral jaundice)
  • Wassilieff's A27.0 (leptospiral jaundice)
  • Weil's A27.0 (leptospiral jaundice of lung)
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) R50.9
  ICD-10-CM Diagnosis Code R50.9

  Fever, unspecified

  2016 2017 2018 2019 Billable/Specific Code

  Applicable To

  • Fever NOS
  • Fever of unknown origin [FUO]
  • Fever with chills
  • Fever with rigors
  • Hyperpyrexia NOS
  • Persistent fever
  • Pyrexia NOS
  • icterohemorrhagic A27.0
• Fiedler's
  • disease A27.0 (icterohemorrhagic leptospirosis)
• Icterus - see also Jaundice
  • hemorrhagic (acute) (leptospiral) (spirochetal) A27.0
  • infectious B15.9
    ICD-10-CM Diagnosis Code B15.9

    Hepatitis A without hepatic coma

    2016 2017 2018 2019 Billable/Specific Code

    Applicable To

    • Hepatitis A (acute)(viral) NOS
    • leptospiral A27.0
    • spirochetal A27.0
  • spirochetal A27.0
• Infection, infected, infective (opportunistic) B99.9
  ICD-10-CM Diagnosis Code B99.9

  Unspecified infectious disease

  2016 2017 2018 2019 Billable/Specific Code
  • Leptospira interrogans A27.9
    ICD-10-CM Diagnosis Code A27.9

    Leptospirosis, unspecified

    2016 2017 2018 2019 Billable/Specific Code
    • icterohaemorrhagiae A27.0
• Jaundice (yellow) R17
  ICD-10-CM Diagnosis Code R17

  Unspecified jaundice

  2016 2017 2018 2019 Billable/Specific Code

  Type 1 Excludes

  • neonatal jaundice (P55, P57-P59)
  • epidemic (catarrhal) B15.9
    ICD-10-CM Diagnosis Code B15.9

    Hepatitis A without hepatic coma

    2016 2017 2018 2019 Billable/Specific Code

    Applicable To

    • Hepatitis A (acute)(viral) NOS
    • leptospiral A27.0
    • spirochetal A27.0
  • febrile (acute) B15.9
    ICD-10-CM Diagnosis Code B15.9

    Hepatitis A without hepatic coma

    2016 2017 2018 2019 Billable/Specific Code

    Applicable To

    • Hepatitis A (acute)(viral) NOS
    • leptospiral A27.0
    • spirochetal A27.0
  • infectious (acute) (subacute) B15.9
    ICD-10-CM Diagnosis Code B15.9

    Hepatitis A without hepatic coma

    2016 2017 2018 2019 Billable/Specific Code

    Applicable To

    • Hepatitis A (acute)(viral) NOS
    • leptospiral A27.0
    • spirochetal A27.0
  • hemorrhagic A27.0 (acute) (leptospiral) (spirochetal)
  • leptospiral A27.0 (hemorrhagic)
  • spirochetal A27.0 (hemorrhagic)
• Landouzy's disease A27.0 (icterohemorrhagic leptospirosis)
• Leptospirosis A27.9
  ICD-10-CM Diagnosis Code A27.9

  Leptospirosis, unspecified

  2016 2017 2018 2019 Billable/Specific Code
  • due to Leptospira interrogans serovar icterohaemorrhagiae A27.0
  • icterohemorrhagica A27.0
  • Weil's disease A27.0
• Matheiu's disease A27.0 (leptospiral jaundice)
• Spirochetosis A69.9
  ICD-10-CM Diagnosis Code A69.9

  Spirochetal infection, unspecified

  2016 2017 2018 2019 Billable/Specific Code
  • icterohemorrhagic A27.0
• Wassilieff's disease A27.0
• Weil's disease A27.0

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