ICD-10-CM 2027
ICD-10 code for cysticercosis
From the official ICD-10-CM alphabetic index entry “Cysticercosis, cysticerciasis”. Page updated September 29, 2026.
About coding cysticercosis
The ICD-10-CM code for cysticercosis is B69.9 (Cysticercosis, unspecified). The official index lists 7 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on B69.9.
Within B69, choose B69.9 (unspecified) only when documentation doesn't support a more specific option: of central nervous system (B69.0), of eye (B69.1) and of other sites (B69.8).
As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.
In MS-DRG v44.0, it is part of the grouping logic for DRG 371 (Major Gastrointestinal Disorders and Peritoneal Infections with MCC, relative weight 1.7089), DRG 372 (Major Gastrointestinal Disorders and Peritoneal Infections with CC, relative weight 0.9964) and DRG 373 (Major Gastrointestinal Disorders and Peritoneal Infections without CC/MCC, relative weight 0.6941), in MDC 06 (Diseases and Disorders of the Digestive System), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
More specific cysticercosis codes (official index)
- with
- epileptiform fits B69.0 — Cysticercosis of central nervous system
- myositis B69.81 — Myositis in cysticercosis
- brain B69.0 — Cysticercosis of central nervous system
- central nervous system B69.0 — Cysticercosis of central nervous system
- cerebral B69.0 — Cysticercosis of central nervous system
- ocular B69.1 — Cysticercosis of eye
- specified NEC B69.89 — Cysticercosis of other sites
Common questions about cysticercosis ICD-10 codes
What is the ICD-10 code for cysticercosis?
- B69.9 — Cysticercosis, unspecified. More specific codes apply when the documentation supports them: B69.0, B69.81, B69.0, B69.0 and others below.
What is the ICD-10 code for brain cysticercosis?
- B69.0 — Cysticercosis of central nervous system.
What is the ICD-10 code for central nervous system cysticercosis?
- B69.0 — Cysticercosis of central nervous system.
What is the ICD-10 code for cerebral cysticercosis?
- B69.0 — Cysticercosis of central nervous system.
What is the ICD-10 code for ocular cysticercosis?
- B69.1 — Cysticercosis of eye.
Is B69.9 billable?
- Yes. B69.9 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can B69.9 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict B69.9 as a principal diagnosis.
Is B69.9 a CC or MCC?
- B69.9 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.