B77.9

Billable

Ascariasis, unspecified

Ascariasis, unspecified

Status

Billable / Specific

Block

B65-B83

Parent Code

B77

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

  • carrier or suspected carrier of infectious disease (Z22.-)
  • 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

Additional codes that should follow this code

  • code to identify resistance to antimicrobial drugs (Z16.-)

Also Known As / Clinical Terms

Frequently Asked Questions

What is ICD-10 code B77.9?

ICD-10-CM code B77.9 represents "Ascariasis, unspecified". It 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 you should also code: code to identify 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.

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

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.