CPT code 76514: Corneal pachymetry, ultrasonic thickness measurement2026 Medicare rate & RVUs in Missouri
Ultrasonic pachymetry measures corneal thickness in one or both eyes, supporting evaluation of glaucoma risk, corneal conditions, and other eye-care decisions.
Medicare pays $10.80–$11.39 for 76514 in the office in Missouri, from Rest of Missouri to Metropolitan St. Louis, MO. Which amount applies depends on the service address.
Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.
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On this page 9 sections
What 76514 covers
This service uses an ultrasound probe to measure corneal thickness, commonly the central cornea. Ophthalmologists and optometrists may order it during evaluation of glaucoma risk or corneal conditions, or when thickness information is needed for another eye-care decision. It is performed in settings such as an ophthalmology office or outpatient eye clinic.
Report the code for the ultrasonic thickness study whether one eye or both eyes are examined; CMS prices it as bilateral, so modifier 50 does not increase payment. Documentation should identify the clinical reason, eye or eyes assessed, measurements, and interpretation. The service has professional and technical components: modifier 26 identifies the interpretation, modifier TC identifies the equipment and staff portion, and an unmodified claim represents the global service. When multiple ophthalmology diagnostic procedures are performed, the multiple-procedure reduction applies to the technical component.
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 76514 pays more and less in Missouri
The same RVUs, adjusted for each area’s costs. Open a locality for its calculation, history and nearby areas.
3 payment localities
$10.80 to $11.39
| Payment locality | Office | Facility |
|---|---|---|
| Metropolitan Kansas City, MO | $11.29 | Unavailable |
| Metropolitan St. Louis, MO | $11.39 | Unavailable |
| Rest of Missouri | $10.80 | Unavailable |
How the 76514 rate is calculated
Each of 76514’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 · 76514
RVUs × geographic indexes × conversion factor
Work0.14
0.14 RVUs× 1.000 GPCI
Practice expense0.19
0.19 RVUs× 1.000 GPCI
Malpractice0.02
0.02 RVUs× 1.000 GPCI
Adjusted RVUs
0.3500
Conversion factor
$33.4009
Medicare rate
$11.69
Every GPCI starts at 1.000, the national rate. Enter a ZIP or drag a slider.
Payment rules and modifiers for 76514
The CMS indicators that decide how 76514 is paid alongside other services.
CMS payment indicators · 76514
Corneal pachymetry, ultrasonic thickness measurement
| Rule | CMS value | What it means |
|---|---|---|
| Global period | XXX | The global surgery concept doesn’t apply. |
| Multiple procedures | 7 | Diagnostic ophthalmology reduction applies to the technical component. |
| Bilateral (modifier 50) | 2 | Already bilateral by definition: paid once at 100%. |
| Assistant at surgery (80/81/82/AS) | 0 | Not paid without supporting documentation. |
| Co-surgeons (62) | 0 | Not permitted. |
| Team surgery (66) | 0 | Not permitted. |
| Professional/technical | 1 | Diagnostic test with separate professional (26) and technical (TC) components. |
What modifiers do to the payment
Modifier 26 · payment effect
With and without the modifier
76514 without 26 · national office
$11.69
Corneal pachymetry, ultrasonic thickness measurement
76514-26 · Professional component
$7.68
Pays only the interpretation and report.
76514 compared with similar codes
Compare codes · National
4 codes, side by side
How to choose
- 76513Eye ultrasoundAnterior segment
- Choose 76514 for ultrasonic measurement of corneal thickness. Code 76513 is ultrasound biomicroscopy of the anterior segment.
- 76516Eye biometryUltrasound A-scan
- Code 76516 is ophthalmic ultrasound biometry for ocular dimensions; 76514 measures corneal thickness.
- 76519Ocular biometryUltrasound with lens calculation
- Code 76519 includes ophthalmic biometry used for intraocular lens power calculation. Use 76514 when the service is corneal pachymetry.
76514 billing questions
Should this code be reported for one eye or both eyes?
It covers ultrasonic corneal thickness measurement for one or both eyes. CMS prices it as bilateral, so modifier 50 does not increase payment.
How does this differ from 76513?
76514 measures corneal thickness. Code 76513 is ultrasound biomicroscopy of the anterior segment, a different diagnostic examination.
Can the professional and technical portions be billed separately?
Yes. Use modifier 26 for the interpretation and modifier TC for the equipment and staff portion. Billing without either modifier represents the global service.
Does the multiple-procedure reduction affect both components?
The ophthalmology diagnostic multiple-procedure reduction applies to the technical component.
What documentation supports reporting this service?
Document the clinical indication, the eye or eyes examined, the thickness measurements, and the interpretation.
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
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