ICD-10-CM 2027 diagnosis code
C44.2Other and unspecified malignant neoplasm of skin of ear and external auricular canal
C44.2 is a header code, so it can't be reported by itself. Choose one of the 4 more specific codes beneath it.Short description: Oth and unsp malig neoplasm skin/ ear and extrn auric canal
Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data
About C44.2
C44.2 is the ICD-10-CM diagnosis code for other and unspecified malignant neoplasm of skin of ear and external auricular canal. It belongs to category C44 (other and unspecified malignant neoplasm of skin), block C43-C44 (melanoma and other malignant neoplasms of skin) and chapter 2 (neoplasms). It is a header code, so it can't be reported by itself; one of its 4 subcodes must be used instead.
Within C44 (other and unspecified malignant neoplasm of skin), C44.2 is specifically for other and unspecified malignant neoplasm of skin of ear and external auricular canal. Related codes cover of lip (C44.0), of eyelid, including canthus (C44.1), of other and unspecified parts of face (C44.3), of scalp and neck (C44.4), of trunk (C44.5), of upper limb, including shoulder (C44.6), of lower limb, including hip (C44.7), overlapping sites of skin (C44.8) and 1 more.
To report this condition, pick the subcode that matches the documentation: C44.20 (canal), C44.21 (canal), C44.22 (canal) and C44.29 (canal).
Don't report C44.2 together with the conditions in its Excludes1 note: connective tissue of ear (C49.0).
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.
Specific codes under C44.2
- C44.20Unspecified malignant neoplasm of skin of ear and external auricular canal
- C44.21Basal cell carcinoma of skin of ear and external auricular canal
- C44.22Squamous cell carcinoma of skin of ear and external auricular canal
- C44.29Other specified malignant neoplasm of skin of ear and external auricular canal
- C44.291Other specified malignant neoplasm of skin of unspecified ear and external auricular canalBillable
- C44.292Other specified malignant neoplasm of skin of right ear and external auricular canalBillable
- C44.299Other specified malignant neoplasm of skin of left ear and external auricular canalBillable
Coding notes
- connective tissue of ear (C49.0)
Notes that apply from higher levels
Instructions written at a parent level also apply to C44.2.
Broader instructions also apply from Chapter 2: Neoplasms.
Codes whose notes reference C44.2
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about C44.2
Is C44.2 billable?
- No. C44.2 is a header code. Report one of its more specific subcodes instead.