D48.5
Billable

Neoplasm of uncertain behavior of skin

Billable / Specific Code

What is Neoplasm of uncertain behavior of skin?

ICD-10-CM D48.5 is the diagnosis code for Neoplasm of uncertain behavior of skin. This code falls under the section "Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes" within Chapter 2 — Neoplasms (C00-D49). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions
⛔ Excludes1

Coding Guidelines for D48.5

✅ This Code Includes

  • 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

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as D48.5. They are mutually exclusive:

  • 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)

ICD-10-CM Code Hierarchy

Understanding where D48.5 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is D48.5 a billable ICD-10-CM code?

Yes, D48.5 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does D48.5 mean?

D48.5 is the ICD-10-CM diagnosis code for "Neoplasm of uncertain behavior of skin". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of D48.5?

The parent code of D48.5 is D48 ("Neoplasm of uncertain behavior of other and unspecified sites"). D48.5 provides a more specific classification within this category.

What section is D48.5 in?

D48.5 is located in Section D37-D48 — "Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes" within Chapter 2 of the ICD-10-CM Tabular List.

When should I use D48.5?

Use D48.5 when the patients documented diagnosis matches "Neoplasm of uncertain behavior of skin" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Neoplasm of uncertain behavior of skin?

The ICD-10-CM code for Neoplasm of uncertain behavior of skin is D48.5.

Can D48.5 be used for primary diagnosis?

Yes, D48.5 can be used as a primary diagnosis code since it is billable and specific.

What chapter is D48.5 in?

D48.5 is in Chapter 2 of the ICD-10-CM Tabular List.

What conditions are excluded from D48.5?

Type 1 Excludes for D48.5 include: 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).

Is D48.5 valid for 2026?

Yes, D48.5 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousD48.4Neoplasm of uncertain behavior of peritoneumNext →D48.6Neoplasm of uncertain behavior of breast
Code Details
D48.5
Neoplasm of uncertain behavior of skin
Billable / Specific Code
2 — Neoplasms (C00-D49)
D37-D48 — Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes
2026 ICD-10-CM