2024 ICD-10-CM Diagnosis Code B55

Leishmaniasis

  • B55 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2024 edition of ICD-10-CM B55 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of B55 – other international versions of ICD-10 B55 may differ.

The following code(s) above B55 contain annotation back-references

 that may be applicable to B55:

  • A00-B99  Certain infectious and parasitic diseases
  • B50-B64  Protozoal diseases

Clinical Information

  • A disease caused by any of a number of species of protozoa in the genus leishmania. There are four major clinical types of this infection: cutaneous (old and new world) (leishmaniasis, cutaneous), diffuse cutaneous (leishmaniasis, diffuse cutaneous), mucocutaneous (leishmaniasis, mucocutaneous), and visceral (leishmaniasis, visceral).
  • A parasitic infection caused by protozoa of the genus leishmania. It is transmitted to humans via the bite of sandflies. There are three main forms of the disease: cutaneous, mucocutaneous, and visceral leishmaniasis. Cutaneous leishmaniasis causes skin ulcers; mucocutaneous leishmaniasis causes destructive lesions of the mucous membranes of the nose, mouth, and throat; visceral leishmaniasis is the most severe form of the disease and is manifested with anemia, weight loss, hepatomegaly and splenomegaly.
  • Disease caused by any of a number of species of protozoa in the genus leishmania; there are four major clinical types of this infection: cutaneous (old and new world), diffuse cutaneous, mucocutaneous, and visceral; visceral is characterized by fever, chills, vomiting, anemia, hepatosplenomegaly, leukopenia, hypergammaglobulinemia, emaciation, and an earth-gray color of the skin; cutaneous is characterized by development of single or multiple localized lesions on exposed areas of skin that typically ulcerate.

Code History

  • 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
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change