B77.9
BillableAscariasis, unspecified
Ascariasis, unspecified
Coding Notes
Includes
Conditions included under this code
- diseases generally recognized as communicable or transmissible
- ascaridiasis
- roundworm infection
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- certain localized infections - see body system-related chapters
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
Related Codes(2)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(52)
SNOMED CT
- Ascariasis2435008
- Ascariasis - roundworms2435008
- Ascaridiasis2435008
- Ascariosis2435008
- Infection by Ascaridia dissimilis23477004
- Infection caused by Ascaridia dissimilis23477004
- Infection by Ascaris lumbricoides50982003
- Infection caused by Ascaris lumbricoides50982003
- Ascaridiosis76160002
- Infection by Ascaridia76160002
- Infection caused by Ascaridia76160002
- Infection by Ascaris suum81421001
- Infection caused by Ascaris suum81421001
- Infection by Ascaridia galli83120002
- Infection caused by Ascaridia galli83120002
- Migratory ascariasis240863003
- Ascariasis caused by adult Ascaris781201007
UMLS
- AscariasesC0003950
- AscariasisC0003950
- Ascariasis (disorder)C0003950
- Ascariasis - roundwormsC0003950
- Ascariasis, unspecifiedC0003950
- AscariosisC0003950
- Ascaris InfectionC0003950
- Ascaris InfectionsC0003950
- Infection, AscarisC0003950
- Infections, AscarisC0003950
- ascariasisC0003950
- ascaridiasisC0003950
- ascariosisC0003950
Clinical Terms
- Ascaris Infections
- Ascariasis - roundworms
- Ascariases
- Migratory ascariasis
- Infection caused by Ascaris suum
- Infection caused by Ascaris lumbricoides
- Infection, Ascaris
- Ascariasis (disorder)
- Infection caused by Ascaridia dissimilis
- ascariosis
- ascaridiasis
- Infection by Ascaris suum
- Infection by Ascaridia galli
- Infection by Ascaridia
- Infection by Ascaris lumbricoides
- Ascaris Infection
- Ascariasis caused by adult Ascaris
- Infection by Ascaridia dissimilis
- Infection caused by Ascaridia
- Infections, Ascaris
- Infection caused by Ascaridia galli
- Ascaridiosis
Frequently Asked Questions
What is the ICD-10 code for ascariasis, unspecified?
The ICD-10-CM code for ascariasis, unspecified is B77.9. The full clinical description is "Ascariasis, unspecified". B77.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code B77.9 mean?
ICD-10-CM code B77.9 represents “Ascariasis, unspecified”. It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and is a billable/specific code that can be used on a claim.
Is B77.9 a billable code?
Yes, B77.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is B77.9 in?
B77.9 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with B77.9?
B77.9 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters.
Are additional codes required with B77.9?
Yes, when using B77.9, also report: resistance to antimicrobial drugs (Z16.-).
What SNOMED CT codes does B77.9 map to?
B77.9 maps to 8 SNOMED CT concepts: 2435008, 781201007, 76160002, 23477004, 83120002, and 3 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for B77.9?
B77.9 is linked to 1 UMLS Concept Unique Identifier: C0003950. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does B77.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like ascariasis, unspecified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of B77.9?
B77.9 maps to the ICD-11 code: 1F62 (Ascariasis).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.