CPT 93355
Global XXX ActiveEcho transesophageal (tee)
CPT 93355 Billing & Documentation Guide
CPT code 93355 (Echo transesophageal (tee)) is classified under Cardiovascular with a global period indicator of XXX. The 2026 Medicare Physician Fee Schedule assigns a work RVU of 4.54, a non-facility practice expense RVU of 0.87, and a malpractice RVU of 0.34, a total non-facility RVU of 5.75 and facility RVU of 5.75. With the current conversion factor of $33.4009, the national average non-facility reimbursement is approximately $194.79, though rates vary from $182.45 to $264.67 based on MAC locality and Geographic Practice Cost Indices (GPCIs).
When billing 93355, ensure documentation supports medical necessity and the specific components required for the code's level of service. For E/M codes, document MDM (medical decision-making) elements: problems addressed, data reviewed, and risk. For procedural codes, document the indication, technique, and any complications. Always verify NCCI edits before bundling 93355 with related codes; this code has 10 PTP bundling relationships on file (see table below).
Payment Status & Global Period
Active code (paid under MPFS)
No global period (E/M and other non-procedural services)
MUE Limit (Medically Unlikely Edits)
Submitting more than 1 units of 93355 for the same patient on the same date triggers automatic line denial unless an appropriate modifier and supporting documentation justify the higher quantity.
RVU Breakdown, CPT 93355
| Component | Non-Facility | Facility |
|---|---|---|
| Work RVU | 4.54 | 4.54 |
| Practice Expense RVU | 0.87 | 0.87 |
| Malpractice RVU | 0.34 | 0.34 |
| Total RVU | 5.75 | 5.75 |
| Conversion Factor | $33.4009 | |
2026 Medicare Reimbursement by State, CPT 93355
State-level averages across all MAC localities. Non-facility rates typically apply to office-based services; facility rates apply to hospital outpatient / inpatient.
| State | Non-Facility | Facility | Range (Non-Fac) | Localities |
|---|---|---|---|---|
| California | $197.62 | $197.62 | $192.15 - $216.31 | 29 |
| Florida | $202.9 | $202.9 | $196.49 - $210.61 | 3 |
| Georgia | $193.18 | $193.18 | $191.1 - $195.26 | 2 |
| Illinois | $201.95 | $201.95 | $195.92 - $207.97 | 4 |
| Michigan | $194.91 | $194.91 | $190.99 - $198.83 | 2 |
| North Carolina | $186.01 | $186.01 | $186.01 - $186.01 | 1 |
| New York | $206.68 | $206.68 | $187.23 - $216.98 | 5 |
| Ohio | $189.62 | $189.62 | $189.62 - $189.62 | 1 |
| Pennsylvania | $193.61 | $193.61 | $189.05 - $198.17 | 2 |
| Texas | $191.63 | $191.63 | $188.63 - $197.33 | 8 |
Source: CMS PFSRVU 2026 · Updated 2026-04-01. Full locality-level detail available for all 53 states, contact us for custom reports.
NCCI Bundling Edits, CPT 93355
Procedure-to-procedure (PTP) edits. If you bill any of these codes with 93355 on the same date of service, review the modifier indicator and payer policy before submission.
| Partner Code | Relationship | Modifier Allowed | Rationale |
|---|---|---|---|
| 0694T | Column 1 (primary), can be billed with modifier | Yes | CPT Manual or CMS manual coding instruction |
| 0903T | Column 1 (primary), can be billed with modifier | Yes | Misuse of Column Two code with Column One code |
| 0904T | Column 1 (primary), can be billed with modifier | Yes | Misuse of Column Two code with Column One code |
| 0905T | Column 1 (primary), can be billed with modifier | Yes | Misuse of Column Two code with Column One code |
| 36000 | Column 1 (primary), can be billed with modifier | Yes | Standards of medical/surgical practice |
| 36005 | Column 1 (primary), can be billed with modifier | Yes | Misuse of Column Two code with Column One code |
| 36410 | Column 1 (primary), can be billed with modifier | Yes | CPT Separate procedure definition |
| 36591 | Column 1 (primary), can be billed with modifier | No | CPT Manual or CMS manual coding instruction |
| 36592 | Column 1 (primary), can be billed with modifier | No | CPT Manual or CMS manual coding instruction |
| 76376 | Column 1 (primary), can be billed with modifier | Yes | CPT Manual or CMS manual coding instruction |
Frequently Asked Questions, CPT 93355
What does CPT code 93355 mean? +
CPT code 93355 represents: Echo transesophageal (tee). It's in the Cardiovascular category with a global period of XXX.
What is the Medicare reimbursement for CPT 93355? +
The 2026 Medicare national average non-facility payment for CPT 93355 is $194.79. Rates range from $182.45 to $264.67 across 53 states depending on MAC locality and GPCIs.
What modifiers can I use with CPT 93355? +
Medicine section spans a wide range: therapy services use GP/GO/GN (PT/OT/SLP plans of care) and KX (above cap with documentation). Drug administration uses JW (waste) and JZ (no waste). Professional/technical split applies to some diagnostic codes.
What bundling edits apply to CPT 93355? +
This code has 10 NCCI PTP bundling relationships. See the NCCI Bundling section below for full list.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on June 1, 2026.
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