Z12.11ICD-10-CM

Encounter for screening for malignant neoplasm of colon

Billable

Chapter

Z00-Z99

Factors influencing health

Billable

Yes

Valid as submitted on a claim line

Common pairings

3 CPT codes

45378, 45380, G0121

What the documentation has to carry

When a screening colonoscopy becomes diagnostic, the screening code stays first-listed and modifier PT or 33 applies. Losing this sequence turns a covered screening into a patient balance.

Commonly paired CPT codes

4537845380G0121

Pairings are typical, not a coverage determination. Check the payer policy for the line.

Find the specificity
before the payer does

TruRev validates diagnosis specificity, sequencing, and medical necessity at charge entry, then routes what fails to a certified coder instead of the clearinghouse.

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This page is a free reference for billing and coding teams and is not coding, legal, or clinical advice. Code selection depends on the documentation in the record and on the policy of the payer being billed. Verify every code, instructional note, and sequencing rule against the current ICD-10-CM files and the Official Guidelines for Coding and Reporting for the applicable date of service. ICD-10-CM is maintained by the CDC's National Center for Health Statistics and published by CMS. CPT is a registered trademark of the American Medical Association. TruCare is not affiliated with CMS, NCHS, the AHA, or the AMA.

Encounter for screening for malignant neoplasm of colon

What the documentation has to carry

Find the specificitybefore the payer does

Find the specificity
before the payer does