C09.9

Billable

Malignant neoplasm of tonsil, unspecified

Malignant neoplasm of tonsil, unspecified

Status

Billable / Specific

Block

C00-C14

Parent Code

C09

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Malignant neoplasm of tonsil NOS
  • Malignant neoplasm of faucial tonsils
  • Malignant neoplasm of palatine tonsils

Excludes 2

Conditions not included here, but the patient may have both

  • malignant neoplasm of lingual tonsil (C02.4)
  • malignant neoplasm of pharyngeal tonsil (C11.1)

Use Additional Code

Additional codes that should follow this code

  • code to identify:
  • alcohol abuse and dependence (F10.-)
  • exposure to environmental tobacco smoke (Z77.22)
  • exposure to tobacco smoke in the perinatal period (P96.81)
  • history of tobacco dependence (Z87.891)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)

Also Known As / Clinical Terms

Frequently Asked Questions

What is ICD-10 code C09.9?

ICD-10-CM code C09.9 represents "Malignant neoplasm of tonsil, unspecified". It is a billable/specific code that can be used on a claim.

Is C09.9 a billable code?

Yes, C09.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is C09.9 in?

C09.9 is in Chapter 2: Neoplasms (codes C00-D49).

Are additional codes required with C09.9?

Yes, when using C09.9 you should also code: code to identify:; alcohol abuse and dependence (F10.-); exposure to environmental tobacco smoke (Z77.22); exposure to tobacco smoke in the perinatal period (P96.81); history of tobacco dependence (Z87.891); occupational exposure to environmental tobacco smoke (Z57.31); tobacco dependence (F17.-); tobacco use (Z72.0).

What SNOMED CT codes does C09.9 map to?

C09.9 maps to 10 SNOMED CT concepts: 363393007, 94144008, 93862005, 372020000, 1197276007, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for C09.9?

C09.9 is linked to 1 UMLS Concept Unique Identifier: C0751560. 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.