Is C79.40 a billable code?
Yes. C79.40 is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.
ICD-10-CM FY2027 diagnosis code
C79.40: Secondary malignant neoplasm of unspecified part of nervous system
Billable codeValid for dates of service October 1, 2026 to September 30, 2027
C79.40 is a billable ICD-10-CM diagnosis code for secondary malignant neoplasm of unspecified part of nervous system. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.
Superbill GeneratorStart a superbill with C79.40 already added.Good Faith EstimateStart a cost estimate with C79.40 already added.CMS-1500 Claim FormFill a claim form with C79.40 in box 21.
Other codes in C79.4 Secondary malignant neoplasm of other and unspecified parts of nervous system
C79.40 questions
What does C79.40 mean?
C79.40 is the ICD-10-CM code for Secondary malignant neoplasm of unspecified part of nervous system. It is in chapter 2, Neoplasms (C00-D49).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.