G9157 HCPCS Level II Code: Transesophageal doppler measurement of cardiac output (including probe placement, image acquisition, and interpretation per course of treatment) for monitoring purposes
Medicare Coverage & Payment
- CMS short descriptor: Transesoph doppl cardiac mon
- Medicare coverage: Carrier judgment (CMS coverage code C)
- Payment category: Service not separately priced (pricing indicator 00)
- BETOS: T2C — Other tests - EKG monitoring
- Last CMS action effective: January 1, 2013
Source: CMS HCPCS Level II release. Coverage codes indicate how Medicare treats the code, not whether a specific claim will be paid; payer policy and documentation still govern.
Contextual Map
Every relationship of G9157 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
Nearest codes (40)
- G9130 — Oncology; disease status; limited to multiple myeloma, systemic disease; extent of disease unknown, staging in progress, or not listed (for use in a medicare-approved demonstration project)[Sibling]— CMS HCPCS Level II code set
- G9131 — Oncology; disease status; invasive female breast cancer (does not include ductal carcinoma in situ); adenocarcinoma as predominant cell type; extent of disease unknown, staging in progress, or not listed (for use in a medicare-approved demonstration project)[Sibling]— CMS HCPCS Level II code set
- G9132 — Oncology; disease status; prostate cancer, limited to adenocarcinoma; hormone-refractory/androgen-independent (e.g., rising psa on anti-androgen therapy or post-orchiectomy); clinical metastases (for use in a medicare-approved demonstration project)[Sibling]— CMS HCPCS Level II code set
- G9133 — Oncology; disease status; prostate cancer, limited to adenocarcinoma; hormone-responsive; clinical metastases or m1 at diagnosis (for use in a medicare-approved demonstration project)[Sibling]— CMS HCPCS Level II code set
- G9134 — Oncology; disease status; non-hodgkin's lymphoma, any cellular classification; stage i, ii at diagnosis, not relapsed, not refractory (for use in a medicare-approved demonstration project)[Sibling]— CMS HCPCS Level II code set
- G9135 — Oncology; disease status; non-hodgkin's lymphoma, any cellular classification; stage iii, iv, not relapsed, not refractory (for use in a medicare-approved demonstration project)[Sibling]— CMS HCPCS Level II code set
- G9136 — Oncology; disease status; non-hodgkin's lymphoma, transformed from original cellular diagnosis to a second cellular classification (for use in a medicare-approved demonstration project)[Sibling]— CMS HCPCS Level II code set
- G9137 — Oncology; disease status; non-hodgkin's lymphoma, any cellular classification; relapsed/refractory (for use in a medicare-approved demonstration project)[Sibling]— CMS HCPCS Level II code set
- and 32 more
Change history
- January 1, 2013 — Added to the code set [Change history]— CMS release files (code change ledger)
Sources for this page
Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.
- Code, descriptors, coverage and pricing attributes Official source data
- CMS HCPCS Alpha-Numeric (ANWEB) release — July 2026 quarterly update Release, file and checksum · Publisher’s page
- Change history and date-of-service validity Official source data
- CMS HCPCS quarterly update files, ingested into the change ledger Release, file and checksum · Publisher’s page
- Comparisons, relationships and the contextual map MedCoder structured relationship
- Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears
- Summary and FAQ answers MedCoder explanation
- Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.
Labels on this page: Official source data · MedCoder structured relationship · MedCoder explanation. How to read the labels · All data sources and release dates
Change history
- January 1, 2013Added to the code setTransesophageal doppler measurement of cardiac output (including probe placement, image acquisition, and interpretation per course of treatment) for monitoring purposes
Nearest Codes in This Family
Official HCPCS Level II classifications closest to G9157 in its code family, with their registry titles.
- G9150 — National committee for quality assurance - level 3 medical home
- G9151 — Mapcp demonstration - state provided services
- G9152 — Mapcp demonstration - community health teams
- G9153 — Mapcp demonstration - physician incentive pool
- G9156 — Evaluation for wheelchair requiring face to face visit with physician
- G9158 — Motor speech functional limitation, discharge status, at discharge from therapy or to end reporting
- G9159 — Spoken language comprehension functional limitation, current status at therapy episode outset and at reporting intervals
- G9160 — Spoken language comprehension functional limitation, projected goal status at therapy episode outset, at reporting intervals, and at discharge or to end reporting
- G9161 — Spoken language comprehension functional limitation, discharge status, at discharge from therapy or to end reporting
- G9162 — Spoken language expression functional limitation, current status at therapy episode outset and at reporting intervals