- 2007 HCPCS S3830
- Colorectal cancer (hnpcc) genetic testing complete mlh1 and mlh2 gene sequence analysis for hereditary nonpolyposis
- This is the 2007 version of HCPCS S3830 - please refer to the 2016 HCPCS code set for the latest version.
S3829 S3831 
