C31.9

Billable

Malignant neoplasm of accessory sinus, unspecified

Malignant neoplasm of accessory sinus, unspecified

Status

Billable / Specific

Block

C30-C39

Parent Code

C31

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)

Also Known As / Clinical Terms

Frequently Asked Questions

What is the ICD-10 code for malignant neoplasm of accessory sinus, unspecified?

The ICD-10-CM code for malignant neoplasm of accessory sinus, unspecified is C31.9. The full clinical description is "Malignant neoplasm of accessory sinus, unspecified". C31.9 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code C31.9 mean?

ICD-10-CM code C31.9 represents "Malignant neoplasm of accessory sinus, unspecified". It is classified under Chapter 2: Neoplasms and is a billable/specific code that can be used on a claim.

Is C31.9 a billable code?

Yes, C31.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is C31.9 in?

C31.9 is in Chapter 2: Neoplasms (codes C00-D49).

What codes cannot be used with C31.9?

C31.9 has Excludes1 notes indicating codes that cannot be used together with it, including: mesothelioma (C45.-).

What SNOMED CT codes does C31.9 map to?

C31.9 maps to 15 SNOMED CT concepts: 1255092002, 448990005, 707350007, 187828007, 363506007, and 10 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for C31.9?

C31.9 is linked to 1 UMLS Concept Unique Identifier: C0153474. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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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.