HCPCS Level II · Procedures and professional services (temporary)
G9157Transesophageal doppler measurement of cardiac output (including probe placement, image acquisition, and interpretation per course of treatment) for monitoring purposes
✓ Active
Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About G9157
G9157 is an HCPCS Level II code in the G series (procedures and professional services (temporary)), describing transesophageal doppler measurement of cardiac output (including probe placement, image acquisition, and interpretation per course of treatment) for monitoring purposes.
It was added to HCPCS effective 01/01/2013.
Its Medicare coverage code is "C", meaning coverage is left to the Medicare contractor's judgment.
Details
- Short description
- Transesoph doppl cardiac mon
- Date added
- 01/01/2013
- Action effective
- 01/01/2013
- BETOS
- T2C
Related G91xx codes
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- G9101Oncology; disease status; gastric cancer, limited to adenocarcinoma as predominant cell type; post r1 or r2 resection (with or without neoadjuvant therapy) with no evidence of disease progression, or metastases (for use in a medicare-approved demonstration project)
- G9102Oncology; disease status; gastric cancer, limited to adenocarcinoma as predominant cell type; clinical or pathologic m0, unresectable with no evidence of disease progression, or metastases (for use in a medicare-approved demonstration project)
- G9103Oncology; disease status; gastric cancer, limited to adenocarcinoma as predominant cell type; clinical or pathologic m1 at diagnosis, metastatic, locally recurrent, or progressive (for use in a medicare-approved demonstration project)
- G9104Oncology; disease status; gastric cancer, limited to adenocarcinoma as predominant cell type; extent of disease unknown, staging in progress, or not listed (for use in a medicare-approved demonstration project)
- G9105Oncology; disease status; pancreatic cancer, limited to adenocarcinoma as predominant cell type; post r0 resection without evidence of disease progression, recurrence, or metastases (for use in a medicare-approved demonstration project)
- G9106Oncology; disease status; pancreatic cancer, limited to adenocarcinoma; post r1 or r2 resection with no evidence of disease progression, or metastases (for use in a medicare-approved demonstration project)
- G9107Oncology; disease status; pancreatic cancer, limited to adenocarcinoma; unresectable at diagnosis, m1 at diagnosis, metastatic, locally recurrent, or progressive (for use in a medicare-approved demonstration project)
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- G9109Oncology; disease status; head and neck cancer, limited to cancers of oral cavity, pharynx and larynx with squamous cell as predominant cell type; extent of disease initially established as t1-t2 and n0, m0 (prior to neo-adjuvant therapy, if any) with no evidence of disease progression, recurrence, or metastases (for use in a medicare-approved demonstration project)
- G9110Oncology; disease status; head and neck cancer, limited to cancers of oral cavity, pharynx and larynx with squamous cell as predominant cell type; extent of disease initially established as t3-4 and/or n1-3, m0 (prior to neo-adjuvant therapy, if any) with no evidence of disease progression, recurrence, or metastases (for use in a medicare-approved demonstration project)
- G9111Oncology; disease status; head and neck cancer, limited to cancers of oral cavity, pharynx and larynx with squamous cell as predominant cell type; m1 at diagnosis, metastatic, locally recurrent, or progressive (for use in a medicare-approved demonstration project)
Common questions about G9157
Is HCPCS G9157 still valid?
- Yes. G9157 is active in the CMS October 2026 HCPCS file.
Does Medicare cover G9157?
- Its coverage code is "C": coverage is left to the Medicare contractor's judgment. Check the local coverage determination for your region.