D48.5 – Neoplasm of uncertain behavior of skin

ICD-10-CM 2027 diagnosis code · Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes

Billable code

ICD-10-CM code D48.5
Code
D48.5 (claims format: D485)
Description
Neoplasm of uncertain behavior of skin
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
D37-D48 Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes
Parent codes
D48

Notes for D48.5

Applicable to:
  • Neoplasm of uncertain behavior of anal margin
  • Neoplasm of uncertain behavior of anal skin
  • Neoplasm of uncertain behavior of perianal skin
  • Neoplasm of uncertain behavior of skin of breast
Excludes1 (not coded here):
  • neoplasm of uncertain behavior of anus NOS (D37.8)
  • neoplasm of uncertain behavior of skin of genital organs (D39.8, D40.8)
  • neoplasm of uncertain behavior of vermilion border of lip (D37.0)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

D48 – Neoplasm of uncertain behavior of other and unspecified sites

Excludes1 (not coded here):
  • neurofibromatosis (nonmalignant) (Q85.0-)

Block D37-D48

Excludes1 (not coded here):
  • neoplasms of unspecified behavior (D49.-)
Notes:
  • Categories D37-D44, and D48 classify by site neoplasms of uncertain behavior, i.e., histologic confirmation whether the neoplasm is malignant or benign cannot be made.

Index terms for D48.5

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in D48

Frequently asked questions

What is ICD-10 code D48.5?

D48.5 is the ICD-10-CM code for neoplasm of uncertain behavior of skin, in the block D37-D48 (Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes).

Is D48.5 a billable code?

Yes. D48.5 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does D48.5 belong to?

It belongs to category D48 – Neoplasm of uncertain behavior of other and unspecified sites.

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.