C66.2
Billable

Malignant neoplasm of left ureter

Billable / Specific Code

What is Malignant neoplasm of left ureter?

ICD-10-CM C66.2 is the diagnosis code for Malignant neoplasm of left ureter. This code falls under the section "Malignant neoplasms of urinary tract" 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.

Coding Guidelines for C66.2

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where C66.2 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeC66.2 — Malignant neoplasm of left ureter
Related Codes

Frequently Asked Questions

Is C66.2 a billable ICD-10-CM code?

Yes, C66.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does C66.2 mean?

C66.2 is the ICD-10-CM diagnosis code for "Malignant neoplasm of left ureter". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of C66.2?

The parent code of C66.2 is C66 ("Malignant neoplasm of ureter"). C66.2 provides a more specific classification within this category.

What section is C66.2 in?

C66.2 is located in Section C64-C68 — "Malignant neoplasms of urinary tract" within Chapter 2 of the ICD-10-CM Tabular List.

When should I use C66.2?

Use C66.2 when the patients documented diagnosis matches "Malignant neoplasm of left ureter" 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 Malignant neoplasm of left ureter?

The ICD-10-CM code for Malignant neoplasm of left ureter is C66.2.

Can C66.2 be used for primary diagnosis?

Yes, C66.2 can be used as a primary diagnosis code since it is billable and specific.

What chapter is C66.2 in?

C66.2 is in Chapter 2 of the ICD-10-CM Tabular List.

Is C66.2 valid for 2026?

Yes, C66.2 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousC66.1Malignant neoplasm of right ureterNext →C66.9Malignant neoplasm of unspecified ureter
Code Details
C66.2
Malignant neoplasm of left ureter
Billable / Specific Code
2 — Neoplasms (C00-D49)
C64-C68 — Malignant neoplasms of urinary tract
2026 ICD-10-CM