C43.59 – Malignant melanoma of other part of trunk
ICD-10-CM 2027 diagnosis code · Melanoma and other malignant neoplasms of skin
ICD-10-CM code
C43.59
- Code
C43.59(claims format:C4359)- Description
- Malignant melanoma of other part of trunk
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 2. Neoplasms (C00-D49)
- Block
- C43-C44 Melanoma and other malignant neoplasms of skin
- Parent codes
- C43 › C43.5
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
C43 – Malignant melanoma of skin
Excludes1 (not coded here):
- melanoma in situ (D03.-)
Excludes2 (not included here):
C43.5 – Malignant melanoma of trunk
Index terms for C43.59
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Melanoma, skin, back
- Melanoma, skin, flank
- Melanoma, skin, groin
- Melanoma, skin, nates
- Melanoma, skin, buttock
- Melanoma, skin, trunk NEC
- Melanoma, skin, umbilicus
- Melanoma, skin, chest wall
- Melanoma, skin, abdominal wall
- Melanoma, skin, gluteal region
- Melanoma, skin, interscapular region
- Melanoma, skin, axilla, axillary fold
Related codes in C43.5
Frequently asked questions
What is ICD-10 code C43.59?
C43.59 is the ICD-10-CM code for malignant melanoma of other part of trunk, in the block C43-C44 (Melanoma and other malignant neoplasms of skin).
Is C43.59 a billable code?
Yes. C43.59 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does C43.59 belong to?
It belongs to category C43 – Malignant melanoma of skin.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.