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CPT code 93600: His bundle recording, intracardiac signal2026 Medicare rate & RVUs

Records electrical signals from the His bundle during cardiac electrophysiology testing to assess conduction through the heart’s electrical system.

CMS RVU26DEffective Oct 1, 2026109 payment localities1.1K Medicare services in 2024

Medicare rate · 93600

His bundle recording, intracardiac signal

Office or facility?

Work RVUs
0
Total RVUs
0.00
Global days
000

National rate · 2026

—

Not priced in the facility setting.

See every locality for 93600 →Billed by an NP, PA or therapist? →

Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.

Your location

Medicare pays by the payment locality where the service is performed.

On this page 10 sections
  1. Medicare rate
  2. What 93600 covers
  3. By payment locality
  4. Rate map
  5. How it’s calculated
  6. Payment rules
  7. Similar codes
  8. Related codes
  9. Billing questions
  10. Sources

What 93600 covers

An electrode catheter records electrical activity from the His bundle, a conduction pathway between the atria and ventricles. Electrophysiologists use the recording to evaluate cardiac conduction and arrhythmias, usually during an invasive electrophysiology study in a hospital electrophysiology or cardiac catheterization lab. The code describes the His-bundle recording itself, rather than a comprehensive evaluation of multiple cardiac sites.

Medicare assigns status C under the physician fee schedule: there is no national payment, and the Medicare Administrative Contractor sets payment for each claim. This is a diagnostic test with professional and technical portions. Report modifier 26 for the interpretation, modifier TC for the equipment and staff, or no modifier for the global service. The procedure has a 0-day global period, which includes same-day preoperative and postoperative care.

This summary was written with AI assistance from CMS physician fee schedule data and checked against the CMS billing rules shown here. Rates on this page come directly from CMS files.

Where 93600 pays more and less

The same RVUs, adjusted for each area’s costs. Open a locality for its calculation, history and nearby areas.

109 of 109 payment localities

93600 office and facility rates by payment locality
Payment localityOfficeFacility
AlabamaUnavailableUnavailable
AlaskaUnavailableUnavailable
ArizonaUnavailableUnavailable
ArkansasUnavailableUnavailable
Atlanta, GAUnavailableUnavailable
Austin, TXUnavailableUnavailable
Bakersfield, CAUnavailableUnavailable
Baltimore area, MDUnavailableUnavailable
Beaumont, TXUnavailableUnavailable
Brazoria, TXUnavailableUnavailable

93600 rates by state

Office rate range in each state. Select a state to see its payment localities.

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Explore a state

Local rates. Clear comparisons.

Hover or focus a tile to see its rate range. Select it to open the state’s fee schedule.

View every state and territory as a table
93600 office rate range by state
State / territoryOffice rate rangeLocalities
AKNo published base rate1
ALNo published base rate1
ARNo published base rate1
AZNo published base rate1
CANo published base rate29
CONo published base rate1
CTNo published base rate1
DCNo published base rate1
DENo published base rate1
FLNo published base rate3
GANo published base rate2
GUNo published base rate1
HINo published base rate1
IANo published base rate1
IDNo published base rate1
ILNo published base rate4
INNo published base rate1
KSNo published base rate1
KYNo published base rate1
LANo published base rate2
MANo published base rate2
MDNo published base rate3
MENo published base rate2
MINo published base rate2
MNNo published base rate1
MONo published base rate3
MSNo published base rate1
MTNo published base rate1
NCNo published base rate1
NDNo published base rate1
NENo published base rate1
NHNo published base rate1
NJNo published base rate2
NMNo published base rate1
NVNo published base rate1
NYNo published base rate5
OHNo published base rate1
OKNo published base rate1
ORNo published base rate2
PANo published base rate2
PRNo published base rate1
RINo published base rate1
SCNo published base rate1
SDNo published base rate1
TNNo published base rate1
TXNo published base rate8
UTNo published base rate1
VANo published base rate2
VINo published base rate1
VTNo published base rate1
WANo published base rate2
WINo published base rate1
WVNo published base rate1
WYNo published base rate1

How the 93600 rate is calculated

Each of 93600’s three RVUs is multiplied by a geographic index (GPCI) for the payment locality, added up, and multiplied by the conversion factor. Drag the indexes or enter a ZIP to see what moves the rate.

How the rate is built · 93600

RVUs × geographic indexes × conversion factor

Office or facility?

Work0.00

0.00 RVUs× 1.000 GPCI

Practice expense0.00

0.00 RVUs× 1.000 GPCI

Malpractice0.00

0.00 RVUs× 1.000 GPCI

Adjusted RVUs

0.0000

Conversion factor

$33.4009

Medicare rate

$0.00

Every GPCI starts at 1.000, the national rate. Enter a ZIP or drag a slider.

Payment rules and modifiers for 93600

The CMS indicators that decide how 93600 is paid alongside other services.

CMS payment indicators · 93600

His bundle recording, intracardiac signal

RuleCMS valueWhat it means
Global period000Same-day global: pre- and post-op care on the day of the procedure is included.
Multiple procedures0No multiple-procedure reduction.
Bilateral (modifier 50)0The 150% bilateral adjustment doesn’t apply.
Assistant at surgery (80/81/82/AS)0Not paid without supporting documentation.
Co-surgeons (62)0Not permitted.
Team surgery (66)0Not permitted.
Professional/technical1Diagnostic test with separate professional (26) and technical (TC) components.

What modifiers do to the payment

Modifier 26 · payment effect

With and without the modifier

93600 without 26 · national facility

$0.00

His bundle recording, intracardiac signal

93600-26 · Professional component

$113.23

Pays only the interpretation and report.

When to use modifier 26

93600 compared with similar codes

Compare codes · National

4 codes, side by side

Office or facility?

  • 93600

    His bundle recording, intracardiac signal0 wRVU

    Not priced

  • 93602

    Atrial recording, intracardiac0 wRVU

    Not priced

  • 93603

    Ventricular recording, right ventricle0 wRVU

    Not priced

  • 93619

    EP evaluation, without arrhythmia induction0 wRVU

    Not priced

How to choose

93602Atrial recordingIntracardiac
93600 records from the His bundle; 93602 records from within the atrium.
93603Ventricular recordingRight ventricle
93600 records from the His bundle; 93603 records from the right ventricle.
93619EP evaluationWithout arrhythmia induction
93600 is the His-bundle recording service. Code 93619 describes a comprehensive electrophysiologic evaluation.

Codes related to 93600

Related codes aren’t interchangeable: bill the code that matches the service performed.

Codes related to 93600
CodeHow it relatesNational office range
Same family
93602Atrial recording, intracardiacRecords electrical activity from the atrium rather than the His bundle.No office rate
93603Ventricular recording, right ventricleRecords electrical activity from the right ventricle rather than the His bundle.No office rate
Often billed with
93610Intracardiac pacing, atrial chamberAtrial pacing may be performed during the same electrophysiology encounter.No office rate
93612Ventricular pacing, electrophysiology studyVentricular pacing may be performed during the same electrophysiology encounter.No office rate

93600 billing questions

When should I report this instead of 93602 or 93603?

Report 93600 for recording from the His bundle. Code 93602 identifies an intra-atrial recording, while 93603 identifies a right ventricular recording.

How does this differ from a comprehensive EP evaluation?

93600 describes a His-bundle recording. A comprehensive EP evaluation code, such as 93619, describes a broader electrophysiologic study.

Which modifier identifies the interpretation?

Use modifier 26 for the professional interpretation. Modifier TC identifies the technical portion; reporting without either modifier represents the global service.

Does Medicare publish a national payment for this code?

No. Medicare assigns status C, so the Medicare Administrative Contractor sets payment for each claim.

What global period applies?

The code has a 0-day global period. Same-day preoperative and postoperative care is included.

Where these rates come from

FeeBase calculates base physician payments from CMS work, practice-expense and malpractice RVUs, adjusted by each locality’s geographic indexes and the conversion factor. Services without a published rate are labeled, never given a made-up amount. Amounts are Medicare allowed amounts before claim adjustments: not a patient’s bill or a commercial rate.

CMS RVU26D · effective Oct 1, 2026 through the day before Jan 1, 2027

Open CMS sourceHow we calculate rates

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