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ICD-10-CM Codes Browse (Tabular) Diagnostic External Drug Neoplasm

C4A.9 – Merkel cell carcinoma, unspecified

Overview

Coding Notes

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Billable, valid for HIPAA-covered transactions

Applicable To

Merkel cell carcinoma of unspecified site
Merkel cell carcinoma NOS

GEM Conversion to ICD-9 CM

Fs: 10000 – Merkel cell carcinoma of other sites

MDC / MS-DRG Reference

MAJOR SKIN DISORDERS WITH MCC
MAJOR SKIN DISORDERS WITHOUT MCC

Back Reference of Diagnostic Codes

Carcinoma (malignant) See also Neoplasm, by site, malignant
Merkel cell C4A.9

Sibling Codes

Merkel cell carcinoma of lip
Merkel cell carcinoma of eyelid, including canthus
Merkel cell carcinoma of ear and external auricular canal
Merkel cell carcinoma of other and unspecified parts of face
Merkel cell carcinoma of scalp and neck
Merkel cell carcinoma of trunk
Merkel cell carcinoma of upper limb, including shoulder
Merkel cell carcinoma of lower limb, including hip
Merkel cell carcinoma of overlapping sites

Parent Sibling Codes

Malignant neoplasm of bone and articular cartilage of limbs
Malignant neoplasm of bone and articular cartilage of other and unspecified sites
Malignant melanoma of skin
Other and unspecified malignant neoplasm of skin
Mesothelioma
Kaposi's sarcoma
Malignant neoplasm of peripheral nerves and autonomic nervous system
Malignant neoplasm of retroperitoneum and peritoneum
Malignant neoplasm of other connective and soft tissue
Merkel cell carcinoma

View in Tabular

Code Title
C00-D49 Neoplasms (C00-D49)
C43-C44 Melanoma and other malignant neoplasms of skin (C43-C44)
C4A Merkel cell carcinoma
C4A.9 Merkel cell carcinoma, unspecified
Applicable to
Merkel cell carcinoma of unspecified site
Merkel cell carcinoma NOS