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HCPCS code Q4240: Corecyte, topical, per 0.5 cc2026 Medicare rate & RVUs

HCPCS Level II code Q4240 identifies Corecyte supplied for topical use, reported in 0.5 cc units when the product is furnished.

CMS RVU26DEffective Oct 1, 2026109 payment localities

Medicare rate · Q4240

Corecyte, topical, per 0.5 cc

Office or facility?

Work RVUs
0
Total RVUs
0.00
Global days
XXX

National rate · 2026

—

Not priced in the facility setting.

See every locality for Q4240 →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 9 sections
  1. Medicare rate
  2. What Q4240 covers
  3. By payment locality
  4. Rate map
  5. How it’s calculated
  6. Payment rules
  7. Similar codes
  8. Billing questions
  9. Sources

What Q4240 covers

Q4240 identifies Corecyte supplied for topical use. The code measures the product by volume: each unit represents 0.5 cc. A 1 cc quantity therefore corresponds to 2 units. This differs from nearby product codes that identify other named products or use a different billing measure. The product name and 0.5 cc unit distinguish Q4240 from topical Polycyte and from Coretext or Protext, which are measured per cc.

Medicare assigns Q4240 status C, or carrier priced: it has no national physician fee schedule payment amount, and the Medicare Administrative Contractor prices each claim under the physician fee schedule. The contractor determines coverage. CMS classifies the code as technical-component-only, with a separate code covering interpretation.

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 Q4240 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

Q4240 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

Q4240 rates by state

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

MEWIVTNHMTNDMNMINYMARIWAIDWYSDIAILINOHPANJCTORNVUTCONEMOKYWVVAMDDECAAZNMKSOKARTNNCSCDCTXLAMSALGAFLAKHI

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
Q4240 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 Q4240 rate is calculated

Each of Q4240’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 · Q4240

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 Q4240

The CMS indicators that decide how Q4240 is paid alongside other services.

CMS payment indicators · Q4240

Corecyte, topical, per 0.5 cc

RuleCMS valueWhat it means
Global periodXXXThe global surgery concept doesn’t apply.
Multiple procedures9The concept doesn’t apply.
Bilateral (modifier 50)9The concept doesn’t apply.
Assistant at surgery (80/81/82/AS)9The concept doesn’t apply.
Co-surgeons (62)9The concept doesn’t apply.
Team surgery (66)9The concept doesn’t apply.
Professional/technical3Technical component only.

Q4240 compared with similar codes

Compare codes · National

4 codes, side by side

Office or facility?

  • Q4240

    Corecyte, topical, per 0.5 cc0 wRVU

    Not priced

  • Q4241

    Polycyte, topical, per 0.5 cc0 wRVU

    Not priced

  • Q4242

    Amniocyte Plus, per 0.5 cc0 wRVU

    Not priced

  • Q4246

    Coretext or Protext, per cubic centimeter0 wRVU

    Not priced

How to choose

Q4241PolycyteTopical, per 0.5 cc
Q4240 identifies Corecyte, while Q4241 identifies Polycyte. Both are designated for topical use and measured per 0.5 cc.
Q4242Amniocyte PlusPer 0.5 cc
Q4242 identifies Amniocyte Plus rather than Corecyte. Both use a 0.5 cc unit.
Q4246Coretext or ProtextPer cubic centimeter
Q4246 identifies Coretext or Protext and is measured per cc. Q4240 identifies Corecyte and is measured per 0.5 cc.

Q4240 billing questions

How many units represent 1 cc?

Two units represent 1 cc because each unit is 0.5 cc.

How does Q4240 differ from Q4241?

Q4240 identifies Corecyte; Q4241 identifies Polycyte. Both are identified for topical use and measured per 0.5 cc.

How does Q4240 differ from Q4242?

Q4242 identifies Amniocyte Plus rather than Corecyte. Both use a 0.5 cc unit.

Does Q4240 have a national physician fee schedule payment amount?

No. Its status is C, and the Medicare Administrative Contractor prices each claim under the physician fee schedule.

Who determines Medicare coverage for Q4240?

The Medicare Administrative Contractor determines coverage.

Is interpretation included in Q4240?

Q4240 is classified as technical-component-only; a separate code covers 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

Open CMS sourceHow we calculate rates

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