B55.0 — Visceral leishmaniasis
Is B55.0 billable?
Yes — B55.0 is billable for FY2027. B55.0 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. B55.0 may be submitted for encounters from October 1, 2026 through September 30, 2027.
B55.0 at a glance
| Code | B55.0 |
|---|---|
| Description | Visceral leishmaniasis |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does B55.0 group to?
B55.0 sits in MDC 18 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 867Other Infectious and Parasitic Diseases Diagnoses with MCCmedical
- 868Other Infectious and Parasitic Diseases Diagnoses with CCmedical
- 869Other Infectious and Parasitic Diseases Diagnoses without CC/MCCmedical
As a secondary diagnosis, B55.0 is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.
How is B55.0 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to B55.0. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Assam fever
- Burdwan fever
- Dumdum fever
- Kala-azar
- Ponos
- Sahib disease
- Sirkari's disease
- Sudanese kala-azar
- Disease, diseased › Sirkari's
- Dysentery, dysenteric › leishmanial (catarrhal) (diarrhea) (epidemic) (hemorrhagic) (infectious) (sporadic) (tropical)
- Fever › Assam (inanition) (of unknown origin) (persistent) (with chills) (with rigor)
- Fever › Burdwan (inanition) (of unknown origin) (persistent) (with chills) (with rigor)
Inclusion terms
Alternative wording in documentation that is classified to B55.0.
- Kala-azar
- Post-kala-azar dermal leishmaniasis
Excludes1 — never code together — inherited from B50-B64
The conditions below can never be reported together with B55.0 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Use additional code — inherited from Chapter 1
Report an additional code alongside B55.0 to fully describe the condition. B55.0 is sequenced first.
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes2 — not included here — inherited from Chapter 1
The conditions below are not part of B55.0, but a patient may have both at the same time. When documentation supports it, B55.0 and the excluded code may both be reported.
- carrier or suspected carrier of infectious disease (Z22.-)
- certain localized infections - see body system-related chapters
- 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)
How long has B55.0 existed?
B55.0 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.