AutoICD API

C31.8

Billable

Malignant neoplasm of overlapping sites of accessory sinuses

Malignant neoplasm of overlapping sites of accessory sinuses

Status

Billable / Specific

Block

C30-C39

Parent Code

C31

ICD-11 Mapping

1 equivalent

Coding Notes

Includes

Conditions included under this code

  • malignant neoplasm of middle ear

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

Related Codes(5)
ICD-11 Equivalents(1)

ICD-11 Equivalents

View full mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

Also Known As / Clinical Terms(28)

Clinical Terms

  • Squamous cell carcinoma of accessory sinus
  • Primary malignant melanoma of overlapping sites of accessory sinuses
  • Primary adenocarcinoma of overlapping lesion of accessory sinuses
  • Primary malignant melanoma of overlapping lesion of accessory sinuses
  • Primary squamous cell carcinoma of accessory sinus
  • Overlapping malignant neoplasm of accessory sinuses
  • Primary squamous cell carcinoma of overlapping sites of accessory sinuses
  • Malignant melanoma of accessory sinus
  • Primary adenocarcinoma of accessory sinus
  • Adenocarcinoma of accessory sinus
  • Melanoma of accessory sinus
  • Primary adenocarcinoma of overlapping sites of accessory sinuses
  • Primary squamous cell carcinoma of overlapping lesion of accessory sinuses
Frequently Asked Questions
What is the ICD-10 code for malignant neoplasm of overlapping sites of accessory sinuses?

The ICD-10-CM code for malignant neoplasm of overlapping sites of accessory sinuses is C31.8. The full clinical description is "Malignant neoplasm of overlapping sites of accessory sinuses". C31.8 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code C31.8 mean?

ICD-10-CM code C31.8 represents “Malignant neoplasm of overlapping sites of accessory sinuses”. It is classified under Chapter 2: Neoplasms and is a billable/specific code that can be used on a claim.

Is C31.8 a billable code?

Yes, C31.8 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is C31.8 in?

C31.8 is in Chapter 2: Neoplasms (codes C00-D49).

What codes cannot be used with C31.8?

C31.8 has Excludes1 notes indicating codes that cannot be used together with it, including: mesothelioma (C45.-).

What SNOMED CT codes does C31.8 map to?

C31.8 maps to 8 SNOMED CT concepts: 1255092002, 707350007, 109366009, 707337006, 721606002, and 3 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for C31.8?

C31.8 is linked to 1 UMLS Concept Unique Identifier: C0349041. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does C31.8 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like malignant neoplasm of overlapping sites of accessory sinuses 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 C31.8?

C31.8 maps to the ICD-11 code: 2C22.Z (Malignant neoplasms of accessory sinuses, unspecified).

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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.