C43.2 Malignant melanoma of ear and external auricular canal

Non-billable header with 3 child codes.

Applies from C43 Malignant melanoma of skin

Excludes1 (never code together)

• melanoma in situ (D03.-)

Excludes2 (not included here)

• malignant melanoma of skin of genital organs (C51-C52, C60.-, C63.-)
• Merkel cell carcinoma (C4A.-)
• sites other than skin-code to malignant neoplasm of the site

Codes under C43.2

• C43.20 Malignant melanoma of unspecified ear and external auricular canal
• C43.21 Malignant melanoma of right ear and external auricular canal
• C43.22 Malignant melanoma of left ear and external auricular canal

Code annotations containing back-references to C43.2

Back-references to C43.2

• Type 1 Excludes: C30.1 Malignant neoplasm of middle ear ("malignant neoplasm of auricular canal (external) (C43.2-,C44.2-)")
• Type 1 Excludes: C30.1 Malignant neoplasm of middle ear ("malignant melanoma of skin of (external) ear (C43.2-)")

Back-references to C43

• Type 1 Excludes: C44 Other and unspecified malignant neoplasm of skin ("malignant melanoma of skin (C43.-)")

Diagnosis Index entries for C43.2

• Melanoma (malignant) › skin › auditory canal (external)
• Melanoma (malignant) › skin › auricle (ear)
• Melanoma (malignant) › skin › auricular canal (external)
• Melanoma (malignant) › skin › ear (external)
• Melanoma (malignant) › skin › external meatus (ear)
• Melanoma (malignant) › skin › helix
• Melanoma (malignant) › skin › pinna

Nearby codes

• C43.111 Malignant melanoma of right upper eyelid, including canthus
• C43.112 Malignant melanoma of right lower eyelid, including canthus
• C43.12 Malignant melanoma of left eyelid, including canthus
• C43.121 Malignant melanoma of left upper eyelid, including canthus
• C43.122 Malignant melanoma of left lower eyelid, including canthus
• C43.2 Malignant melanoma of ear and external auricular canal (this code)
• C43.20 Malignant melanoma of unspecified ear and external auricular canal
• C43.21 Malignant melanoma of right ear and external auricular canal
• C43.22 Malignant melanoma of left ear and external auricular canal
• C43.3 Malignant melanoma of other and unspecified parts of face
• C43.30 Malignant melanoma of unspecified part of face