2026 ICD-10-CM Diagnosis Code B65.2Schistosomiasis due to Schistosoma japonicum
ICD-10-CM Codes›A00–B99›B65-B83›B65
- Billable — Valid for Submission
- CC — Complication or Comorbidity
- Not Chronic
B65.2 is a billable ICD-10-CM diagnosis code for schistosomiasis due to Schistosoma japonicum. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 867 through 869. As a secondary diagnosis, it counts as a complication or comorbidity (CC) and moves an inpatient stay to a higher severity level within its MS-DRG family. It does not count, however, when the principal diagnosis is one of 6 closely related codes. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Parasitic, other specified and unspecified infections.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Disorder of urinary bladder caused by Schistosoma
- Disorder of urinary bladder caused by Schistosoma japonicum
- Encephalitis caused by Schistosoma
- Encephalitis caused by Schistosoma japonicum
- Granuloma of brain caused by Schistosoma japonicum
- Hepatic schistosomiasis
- Hepatosplenic schistosomiasis caused by Schistosoma japonicum
- Myelitis caused by Schistosoma
- Myelitis caused by Schistosoma japonicum
- Parasitic infection causing myelitis
- Pneumonia caused by Schistosoma japonicum
- Pneumonia due to parasitic infestation
- Pulmonary schistosomiasis
- Schistosoma japonicum infection
- Urinary schistosomiasis
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Inclusion Terms
- Asiatic schistosomiasis
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Bilharziasis See Also: Schistosomiasis;
oriental B65.2
Disease, diseased See Also: Syndrome;
Katayama B65.2
bilharziasis B65.2
schistosomiasis B65.2
Asiatic B65.2
S. japonicum B65.2
Eastern B65.2
oriental B65.2
japonicum B65.2
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Schistosoma Japonicum Infection
an infection that is caused by schistosoma japonicum.
Patient EducationClinical
Parasitic Diseases
Parasites are living things that use other living things - like your body - for food and a place to live. You can get them from contaminated food or water, a bug bite, or sexual contact. Some parasitic diseases are easily treated and some are not.
Read the full article at MedlinePlus
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Convert B65.2 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About B65.2Overview
What is the ICD-10 code for schistosomiasis due to Schistosoma japonicum?
The ICD-10-CM code for schistosomiasis due to Schistosoma japonicum is B65.2 (sometimes written as B652). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
Is B65.2 (Schistosomiasis [bilharziasis]) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report schistosomiasis due to Schistosoma japonicum on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What MS-DRG does B65.2 group to?
When schistosomiasis due to Schistosoma japonicum is the principal diagnosis on an inpatient stay, it groups to MS-DRG 867, 868, 869, with relative weights from 0.7297 to 2.0932 depending on complications. Higher weights mean higher Medicare reimbursement.
Is B65.2 a CC or MCC?
CMS lists B65.2 as a CC (complication or comorbidity) for FY 2026. Reported as a secondary diagnosis, it moves the inpatient stay to a higher-weighted DRG within its severity family. It does not count when the principal diagnosis is one of the 6 closely related codes in its exclusion list.
What is the ICD-9 equivalent of B65.2?
Under the General Equivalence Mappings, schistosomiasis due to Schistosoma japonicum converts to ICD-9-CM 120.2 (schistosoma japonicum). The mapping is a direct match.
