C44.5
Non-Billable

Other and unspecified malignant neoplasm of skin of trunk

Non-Billable / Non-Specific Code

What is Other and unspecified malignant neoplasm of skin of trunk?

ICD-10-CM C44.5 is the diagnosis code for Other and unspecified malignant neoplasm of skin of trunk. This code falls under the section "Melanoma and other malignant neoplasms of skin" within Chapter 2 — Neoplasms (C00-D49). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1

Coding Guidelines for C44.5

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as C44.5. They are mutually exclusive:

  • anus NOS (C21.0)
  • scrotum (C63.2)

ICD-10-CM Code Hierarchy

Understanding where C44.5 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeC44.5 — Other and unspecified malignant neoplasm of skin of trunk
Sub-Codes 4 entries
C44.50Unspecified malignant neoplasm of skin of trunkNon-BillableC44.500Unspecified malignant neoplasm of anal skinBillableC44.501Unspecified malignant neoplasm of skin of breastBillableC44.509Unspecified malignant neoplasm of skin of other part of trunkBillableC44.51Basal cell carcinoma of skin of trunkNon-BillableC44.510Basal cell carcinoma of anal skinBillableC44.511Basal cell carcinoma of skin of breastBillableC44.519Basal cell carcinoma of skin of other part of trunkBillableC44.52Squamous cell carcinoma of skin of trunkNon-BillableC44.520Squamous cell carcinoma of anal skinBillableC44.521Squamous cell carcinoma of skin of breastBillableC44.529Squamous cell carcinoma of skin of other part of trunkBillableC44.59Other specified malignant neoplasm of skin of trunkNon-BillableC44.590Other specified malignant neoplasm of anal skinBillableC44.591Other specified malignant neoplasm of skin of breastBillableC44.599Other specified malignant neoplasm of skin of other part of trunkBillable
Related Codes

Frequently Asked Questions

Is C44.5 a billable ICD-10-CM code?

No, C44.5 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does C44.5 mean?

C44.5 is the ICD-10-CM diagnosis code for "Other and unspecified malignant neoplasm of skin of trunk". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of C44.5?

The parent code of C44.5 is C44 ("Other and unspecified malignant neoplasm of skin"). C44.5 provides a more specific classification within this category.

What section is C44.5 in?

C44.5 is located in Section C43-C44 — "Melanoma and other malignant neoplasms of skin" within Chapter 2 of the ICD-10-CM Tabular List.

What are the sub-codes of C44.5?

C44.5 has 4 sub-code(s) that provide more specific detail: C44.50, C44.51, C44.52, C44.59.

When should I use C44.5?

Use C44.5 when the patients documented diagnosis matches "Other and unspecified malignant neoplasm of skin of trunk" 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 Other and unspecified malignant neoplasm of skin of trunk?

The ICD-10-CM code for Other and unspecified malignant neoplasm of skin of trunk is C44.5.

Can C44.5 be used for primary diagnosis?

No, C44.5 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is C44.5 in?

C44.5 is in Chapter 2 of the ICD-10-CM Tabular List.

What conditions are excluded from C44.5?

Type 1 Excludes for C44.5 include: anus NOS (C21.0); scrotum (C63.2).

Is C44.5 valid for 2026?

Yes, C44.5 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousC44.49Other specified malignant neoplasm of skin of scalp and neckNext →C44.50Unspecified malignant neoplasm of skin of trunk
Code Details
C44.5
Other and unspecified malignant neoplasm of skin of trunk
Non-Billable / Non-Specific Code
2 — Neoplasms (C00-D49)
C43-C44 — Melanoma and other malignant neoplasms of skin
2026 ICD-10-CM