G9099
HCPCSOnc dx esophageal unknown
Official HCPCS Level II long descriptor
Oncology; disease status; esophageal cancer, limited to adenocarcinoma or squamous cell carcinoma as predominant cell type; extent of disease unknown, staging in progress, or not listed (for use in a medicare-approved demonstration project)
HCPCS Level II code G9099 is maintained by CMS and is active in the current quarterly release.
Short descriptor
Onc dx esophageal unknown
Added to HCPCS: 2006-01-01
Nearby codes in G9
- G9091Onc dx rectal t3 n0 no prog
- G9092Onc dx rectal t1-3,n1-2noprg
- G9093Onc dx rectal t4,n,m0 no prg
- G9094Onc dx rectal m1 w/mets prog
- G9095Onc dx rectal extent unknwn
- G9096Onc dx esophag t1-t3 noprog
- G9097Onc dx esophageal t4 no prog
- G9098Onc dx esophageal mets recur
- G9100Onc dx gastric no recurrence
- G9101Onc dx gastric p r1-r2noprog
- G9102Onc dx gastric unresectable
- G9103Onc dx gastric recurrent
- G9104Onc dx gastric unknown nos
- G9105Onc dx pancreatc p r0 res no
- G9106Onc dx pancreatc p r1/r2 no
- G9107Onc dx pancreatic unresectab
Where this code sits
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HCPCS Level II July 2026 quarterly update. Centers for Medicare & Medicaid Services (CMS), “July 2026 Alpha-Numeric HCPCS File” (HCPC2026_JUL_ANWEB_06172026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.