C57.20
✓ Billable
Malignant neoplasm of unspecified round ligament
ICD-10-CM · FY2026 · Neoplasms
Code
C57.20
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Neoplasms
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code C57.20?
ICD-10-CM code C57.20 represents Malignant neoplasm of unspecified round ligament. It is a billable diagnosis code in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.
Is C57.20 billable?
Yes. C57.20 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is C57.20 in?
C57.20 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.
Related codes in the C57 category
C57
Malignant neoplasm of other and unspecified female genital organs
Non-billable
C57.0
Malignant neoplasm of fallopian tube
Non-billable
C57.1
Malignant neoplasm of broad ligament
Non-billable
C57.2
Malignant neoplasm of round ligament
Non-billable
C57.3
Malignant neoplasm of parametrium
Billable
C57.4
Malignant neoplasm of uterine adnexa, unspecified
Billable
C57.7
Malignant neoplasm of other specified female genital organs
Billable
C57.8
Malignant neoplasm of overlapping sites of female genital organs
Billable
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