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Cardiology Billing · Colorado

Cardiology billing and revenue cycle for Colorado providers.

Colorado operates 415 cardiology provider organizations registered in NPPES, representing 2.2 percent of the U.S. cardiology billing footprint. Colorado is an established cardiology billing market. Cardiology revenue cycle complexity centers on professional/technical component splits, complex E/M leveling for consults, cardiac device monitoring codes, and prior authorization for advanced cardiac imaging. Colorado cardiology practices that get these mechanics right reliably convert clinical work into clean cash.

415
NPPES orgs in CO
2.2%
of US market
#14
national rank
90%+
Realization target
Free CO cardiology billing audit →Cardiology billing services
Last updated: May 31, 2026 · Authored by ASP-RCM Solutions Team

What good cardiology billing execution looks like for Colorado providers.

The Colorado cardiology billing market has its own quirks. Here is the operating discipline we install on every Colorado engagement.

  1. Modifier 26 / TC discipline for diagnostic proceduresCardiology billing carries professional + technical component split on most diagnostic studies (echo, EKG, stress, nuclear). Modifier 26 / TC accuracy at the line level is non-negotiable for clean cardiology claims in Colorado.
  2. Complex E/M leveling for cardiology consultsCardiology consults often qualify for higher E/M levels under 2021 documentation guidelines via medical decision-making complexity. Colorado cardiology practices that under-level E/M leave significant revenue uncollected.
  3. Cardiac device monitoring code capturePacemaker, ICD, ILR, and CardioMEMS remote monitoring carry distinct CPT codes (93290, 93294, 93298, etc.) with specific reporting periods. Missed device monitoring billing is a common cardiology revenue leak in Colorado.
  4. Prior authorization for advanced cardiac imagingColorado commercial payers and Health First Colorado require PA for cardiac MRI, cardiac CT, stress nuclear imaging, and many catheterization procedures. AI-supported PA submission compresses cycle time materially.
  5. Denial prediction tuned for cardiology denial patternsCardiology denials concentrate in medical necessity (especially stress testing and imaging), bundling edits, and modifier 25 / 59 disputes. Reason-code-specific denial prediction catches these patterns pre-submission.
  6. Outpatient EP and procedural billing accuracyElectrophysiology, ablation, and structural heart procedures carry complex code stacks with bundling rules. Colorado cardiology practices need coders who understand the EP and structural workflows specifically.

State rule map · Colorado

Colorado cardiology claims run on a 365-day clock and imaging PARs.

Health First Colorado counts 365 days from the date of service, and the technical side of most non-emergent CT and MRI and every PET scan needs an approved PAR first.

Does this Health First Colorado cardiac imaging line need a PAR?
CHECK 1Is the patient in a capitated MCO such as Elevate Medicaid Choice or RMHP PRIME?
YES
Follow the MCOMCOs may set their own PAR rules. The fiscal agent denies fee-for-service claims for these members.
Capitated Reimbursement
NO
CHECK 2Is this the professional component only, billed with modifier 26?
YES
No PAR for the 26 lineThe TC line still needs prior authorization. No PAR is needed when Medicare or private insurance paid first.
PAR Exceptions 3 and 4
NO
CHECK 3Is it a PET or SPECT scan?
YES
PAR always requiredEven when the claim is marked as an emergency.
PAR Exceptions 2
NO
Non-emergent CT or MRI: get the PAR in AtrezzoColoradoPAR does not process fax or mail PARs. Test changed? Revise within 48 hours of the date of service.
ColoradoPAR48-hour revision
Filing clock · General Provider Information Manual
365 daysFrom the date of service, counted on receipt
60 daysRebill window after day 365, citing the prior ICN
120 daysMedicare crossover, from the Medicare payment or denial
Cardiology coding · Health First Colorado manuals
No consult codes99241 to 99245 and 99251 to 99255 are not paid. Bill the E/M code for the setting.
Modifier 77From January 15, 2025, a second same-day 99221 to 99223 by another specialty needs it.
26 and TCNo component modifier means the claim is paid as the whole service. Imaging claims also need an enrolled ordering NPI.
Commercial plans · C.R.S. 10-16-106.5 and HB19-1174
30 or 45 daysClean claims must be paid, denied or settled in 30 days if electronic and 45 if not, with 10 percent interest when late. Past 90 days, a 20 percent penalty applies.
Out-of-network at an in-network hospitalBill the carrier for the full cost. Collect only in-network cost sharing.
ArbitrationRequest it within 90 days of receiving a payment you think is too low.
What we check before every claim goes out
  • Capitated MCO or fee-for-service
  • Technical component PAR in Atrezzo
  • Modifier 26 or TC on split studies
  • Enrolled ordering NPI
  • 365-day and 60-day dates
Free CO cardiology billing audit →

More West state guides.

Sister West state pages for cardiology billing.

AK→ AZ→ CA→ HI→

FAQ: cardiology billing in Colorado.

How many cardiology providers operate in Colorado?

NPPES lists 415 cardiology provider organizations in Colorado, representing 2.2% of the U.S. footprint. Top concentrations are in Denver (52), Colorado Springs (37), Aurora (28).

Does Health First Colorado cover cardiology billing services?

Yes. Health First Colorado covers cardiology billing services for eligible beneficiaries, with plan-specific authorization rules and rate structures that vary by year.

What commercial payers cover cardiology billing in Colorado?

All major national commercial payers cover cardiology billing in Colorado, including UnitedHealthcare/Optum, Aetna, Cigna/Evernorth, the dominant Colorado Blue Cross Blue Shield plan, and (where active) Humana.

Does ASP-RCM serve cardiology providers in Colorado?

Yes. ASP-RCM Solutions provides cardiology billing and revenue cycle services for providers in Colorado and across all 50 states. Senior partners on every account. Request a free RCM audit.

How do I get started?

Request a free RCM audit. We assess your current state, identify revenue leakage, and produce a written prioritized recommendations list.

Free RCM audit for Colorado cardiology providers.

Send us your last 90 days of claim data. We will send back a 4-page audit with prioritized recommendations and dollar estimates.

Request audit →Talk to a senior partner

All Colorado city guides.

Every Colorado city with a dedicated Cardiology billing and credentialing guide. 6 cities covered.