AutoICD API

C09.1

Billable

Malig neoplasm of tonsillar pillar (anterior) (posterior)

Malignant neoplasm of tonsillar pillar (anterior) (posterior)

Status

Billable / Specific

Block

C00-C14

Parent Code

C09

ICD-11 Mapping

1 equivalent

Coding Notes

Excludes 2

Conditions not included here, but the patient may have both

Use Additional Code

Additional codes that should follow this code

Related Codes(3)
C09.0

Malignant neoplasm of tonsillar fossa

BillableC09.8

Malignant neoplasm of overlapping sites of tonsil

BillableC09.9

Malignant neoplasm of tonsil, unspecified

Billable
ICD-11 Equivalents(1)

ICD-11 Equivalents

View full mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

2B69.ZMalignant neoplasms of tonsil, unspecifiedequivalentPrimary
Also Known As / Clinical Terms(83)

SNOMED CT

UMLS

Clinical Terms

  • Malignant neoplasm of palatoglossal arch
  • Malignant tumor of anterior faucial pillar
  • Tumor of anterior pillar of fauces
  • Malignant neoplasm of faucial pillar
  • Malignant neoplasm of tonsillar pillar
  • Malignant tumour of anterior tonsillar pillar
  • Primary malignant neoplasm of tonsillar pillar
  • Malignant tumor of anterior pillar of fauces
  • Malignant tumour of pharyngopalatine arch
  • Malignant tumour of anterior pillar of fauces
  • Malignant neoplasm of glossopalatine arch
  • Primary squamous cell carcinoma of tonsillar pillar
  • Malignant melanoma of tonsillar pillar
  • Malignant tumor of palatoglossal arch
  • Malignant tumour of posterior tonsillar pillar
  • Tumor of anterior tonsillar pillar
  • Malignant tumour of palatoglossal arch
  • Malignant tumour of tonsillar pillar
  • Primary squamous cell carcinoma of palatine arch
  • Malignant neoplasm of tonsillar pillar (disorder)
  • Malignant tumor of tonsillar pillar
  • Malignant tumour of posterior faucial pillar
  • Malignant melanoma of palatine arch
  • Tumour of anterior tonsillar pillar
  • Malignant tumour of palatopharyngeal arch
  • Malignant tumor of posterior tonsillar pillar
  • Malignant tumor of anterior tonsillar pillar
  • Malignant tumor of posterior faucial pillar
  • Neoplasm of glossopalatine arch
  • Malignant neoplasm of tonsillar pillars (anterior) (posterior)
  • Malignant tumor of pharyngopalatine arch
  • Malignant tumor of palatopharyngeal arch
  • Tumour of anterior pillar of fauces
  • Malignant tumour of anterior faucial pillar
Frequently Asked Questions
What is the ICD-10 code for malig neoplasm of tonsillar pillar (anterior) (posterior)?

The ICD-10-CM code for malig neoplasm of tonsillar pillar (anterior) (posterior) is C09.1. The full clinical description is "Malignant neoplasm of tonsillar pillar (anterior) (posterior)". C09.1 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code C09.1 mean?

ICD-10-CM code C09.1 represents “Malignant neoplasm of tonsillar pillar (anterior) (posterior)”. It is classified under Chapter 2: Neoplasms and is a billable/specific code that can be used on a claim.

Is C09.1 a billable code?

Yes, C09.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is C09.1 in?

C09.1 is in Chapter 2: Neoplasms (codes C00-D49).

Are additional codes required with C09.1?

Yes, when using C09.1, also report: ; 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 C09.1 map to?

C09.1 maps to 6 SNOMED CT concepts: 698044008, 187675005, 254459004, 254458007, 94103007, and 1 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for C09.1?

C09.1 is linked to 1 UMLS Concept Unique Identifier: C0153385. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does C09.1 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like malig neoplasm of tonsillar pillar (anterior) (posterior) 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 C09.1?

C09.1 maps to the ICD-11 code: 2B69.Z (Malignant neoplasms of tonsil, 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.