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ICD-10-CM-2023 Diagnosis Codes Overview
ICD-10-CM-2023 > C00-D49 > C43-C44 > C4A
C43-C44
Melanoma and other malignant neoplasms of skin
C4A

Merkel cell carcinoma

C4A.0
Merkel cell carcinoma of lip
Excl1.:
malignant neoplasm of vermilion border of lip (C00.0-C00.2)
C4A.1

Merkel cell carcinoma of eyelid, including canthus

C4A.10
Merkel cell carcinoma of unspecified eyelid, including canthus
C4A.11
Merkel cell carcinoma of right eyelid, including canthus
C4A.111
Merkel cell carcinoma of right upper eyelid, including canthus
C4A.112
Merkel cell carcinoma of right lower eyelid, including canthus
C4A.12
Merkel cell carcinoma of left eyelid, including canthus
C4A.121
Merkel cell carcinoma of left upper eyelid, including canthus
C4A.122
Merkel cell carcinoma of left lower eyelid, including canthus
C4A.2

Merkel cell carcinoma of ear and external auricular canal

C4A.20
Merkel cell carcinoma of unspecified ear and external auricular canal
C4A.21
Merkel cell carcinoma of right ear and external auricular canal
C4A.22
Merkel cell carcinoma of left ear and external auricular canal
C4A.3

Merkel cell carcinoma of other and unspecified parts of face

C4A.30
Merkel cell carcinoma of unspecified part of face
C4A.31
Merkel cell carcinoma of nose
C4A.39
Merkel cell carcinoma of other parts of face
C4A.4
Merkel cell carcinoma of scalp and neck
C4A.5

Merkel cell carcinoma of trunk

Excl2.:
malignant neoplasm of anus NOS (C21.0)
malignant neoplasm of scrotum (C63.2)
C4A.51
Merkel cell carcinoma of anal skin
Info:
Merkel cell carcinoma of anal margin
Merkel cell carcinoma of perianal skin
C4A.52
Merkel cell carcinoma of skin of breast
C4A.59
Merkel cell carcinoma of other part of trunk
C4A.6

Merkel cell carcinoma of upper limb, including shoulder

C4A.60
Merkel cell carcinoma of unspecified upper limb, including shoulder
C4A.61
Merkel cell carcinoma of right upper limb, including shoulder
C4A.62
Merkel cell carcinoma of left upper limb, including shoulder
C4A.7

Merkel cell carcinoma of lower limb, including hip

C4A.70
Merkel cell carcinoma of unspecified lower limb, including hip
C4A.71
Merkel cell carcinoma of right lower limb, including hip
C4A.72
Merkel cell carcinoma of left lower limb, including hip
C4A.8
Merkel cell carcinoma of overlapping sites
C4A.9
Merkel cell carcinoma, unspecified
Info:
Merkel cell carcinoma of unspecified site
Merkel cell carcinoma NOS

 

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