2027 ICD-10-CM Diagnosis Code B83.2Angiostrongyliasis due to Parastrongylus cantonensis
ICD-10-CM Codes›A00–B99›B65-B83›B83
- Billable — Valid for Submission
- Not Chronic
B83.2 is a billable ICD-10-CM diagnosis code for angiostrongyliasis due to Parastrongylus cantonensis. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 867 through 869. Coders also document this condition as cerebrospinal nematodiasis. 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.
- Cerebrospinal nematodiasis
- Eosinophilic meningitis
- Eosinophilic meningitis caused by Angiostrongylus cantonensis
- Eosinophilic meningoencephalitis
- Eosinophilic meningoencephalitis caused by Angiostrongylus cantonensis
- Infection by Angiostrongylus
- Infection by Angiostrongylus cantonensis
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to B83.2: its own notes plus those printed at B83 and Chapter 1. A note printed at a category, block or chapter applies to every code under it.
Includes
Further defines, or gives examples of, the content of the category.
- diseases generally recognized as communicable or transmissible
Applicable To
Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.
- Eosinophilic meningoencephalitis due to Parastrongylus cantonensis
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
- intestinal angiostrongyliasis (B81.3)
- 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)
Use Additional Code
Add a second code, after this one, to fully describe the condition.
- code to identify resistance to antimicrobial drugs (Z16.-)
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name B83.2, its category, or a range that includes it.
Excludes1 2
These codes carry an Excludes1 note naming B83.2: they are not reported together with it, unless the two conditions are unrelated.
Code First 2
These codes say to code first a condition named in the note, and B83.2 is one of the conditions named.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
angiostrongyliasis B83.2
cantonensis B83.2
Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic) G03.9
eosinophilic B83.2
Meningoencephalitis See Also: Encephalitis; G04.90
eosinophilic B83.2
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
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
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert B83.2 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About B83.2Overview
What is the ICD-10 code for angiostrongyliasis due to Parastrongylus cantonensis?
The ICD-10-CM code for angiostrongyliasis due to Parastrongylus cantonensis is B83.2 (sometimes written as B832). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is B83.2 (Other helminthiases) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report angiostrongyliasis due to Parastrongylus cantonensis on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does B83.2 group to?
When angiostrongyliasis due to Parastrongylus cantonensis is the principal diagnosis on an inpatient stay, it groups to MS-DRG 867, 869, 868, with relative weights from 0.6784 to 2.1855 depending on complications. Higher weights mean higher Medicare reimbursement.
Can B83.2 be reported with B81.1?
Not as a rule. The Excludes1 note at B83, which applies to B83.2, lists "capillariasis NOS (B81.1)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).
What is the ICD-9 equivalent of B83.2?
Under the General Equivalence Mappings, angiostrongyliasis due to Parastrongylus cantonensis converts to ICD-9-CM 128.8 (helminthiasis NEC). The mapping is approximate, so confirm the match fits the documentation.
