QlaimPro works every denial within 72 hours — root cause analysis by CO code, payer-specific appeals, and a first-pass acceptance rate of 98.7%. Month-to-month. No setup fees.
First-pass acceptance rate
Denial worked within 72 hours of receipt
MA denial overturn rate (KFF 2024)
Of denials ever get appealed nationally
Denial rates have risen every year since 2020. For a practice billing $150,000 per month, an 11.8% denial rate represents $17,700 in monthly revenue sitting in denied status — accumulating toward write-off with every week it goes unworked.
Initial denial rate in 2024, up from 10.2%
HFMA 2024
Medicare Advantage denial rate in 2025–2026
MDaudit 2025 Benchmark
Of healthcare finance leaders report increased denial rates
Experian Health 2024
Rise in medical necessity denial amounts year-over-year
MDaudit 2025
The distinction that controls your timely filing window. Practices that treat rejections and denials as the same event miscalculate their timely filing exposure and lose recoverable revenue.
The payer system returns the claim for a format error, a missing required field, or an invalid identifier — without reviewing the clinical content. A claim rejection's timely filing clock typically resets on correction and resubmission.
The payer received, reviewed, and determined the claim unpayable. The denial date starts the appeal window. Every day the denied claim sits unworked counts against your remaining recovery window.
QlaimPro’s credentialing services are not a checklist handoff. Every component runs on an active monitoring schedule — CAQH re-attestation, re-credentialing deadlines, OIG exclusion status, and DEA certificate alignment — for as long as the provider is enrolled.
The most expensive denial code in RCM. Average medical necessity denial amount reached $450 in 2025 — a 70% year-over-year increase. Requires peer-to-peer review with the payer's medical director, not a standard appeal letter.
Almost always a correctable coding error requiring no formal appeal. Most common trigger: billing modifier 59 when NCCI edits require an X-modifier (XE, XS, XP, or XU). Corrected resubmission resolves in the same adjudication cycle.
Claim sent to secondary payer without primary payer's payment on file. Requires verifying primary payer status, obtaining primary EOB, and resubmitting to secondary with primary EOB attached. Real-time COB check at scheduling prevents recurrence.
Most difficult to overturn — most payers strictly enforce filing windows. A timely filing exception letter documents good cause. Medicare has no good-cause exception for CO-29. Prevention is the only reliable strategy.
Verify whether prior authorization was obtained and correctly entered in Box 23 of CMS-1500. If authorization was not obtained, determine whether the payer allows retroactive authorization before filing appeal.
Requires coder review of ICD-10-CM code assigned. Most common trigger: a maintenance diagnosis coded when an acute exacerbation drove the procedure. Correct ICD-10 sequencing and resubmit — no formal appeal needed.
Check payer portal to confirm whether a prior claim for the same date and procedure was processed. If submitted in error by the clearinghouse, submit a corrected claim with documentation of the original submission error.
The resolution path splits at one question: was a valid ABN or financial responsibility notification obtained before the service? If yes, balance transfers to patient. If no ABN was obtained, the provider cannot bill the patient — charge is written off.
Each denied claim follows 6 stages from receipt to resolution. The process does not vary by payer. The appeal strategy inside Stage 3 does — because UnitedHealthcare, Aetna, BCBS, and Medicare Advantage each require different documentation and submission paths.
Every denied claim logged within 24 hours of ERA or EOB receipt, categorized within 72 hours. Sorted by payer reason code group (CO, PR, OA, PI), denial sub-type, payer name, and dollar amount at risk. High-dollar denials ($500+) assigned to a senior specialist same day.
Identifies whether the denial originated from clinical documentation failure, coding error, eligibility/authorization gap, timely filing breach, COB issue, duplicate billing, or payer-specific contractual rule. Each category requires a different corrective action.
Appeals at UnitedHealthcare, Aetna, BCBS, Humana, and Medicare Advantage plans follow different portals, documentation requirements, review timelines, and overturn thresholds. QlaimPro maintains a payer-specific appeal matrix updated quarterly.
A CO-50 medical necessity appeal requires 4 components assembled in the correct order: a cover letter mapping clinical condition to LCD criteria, treating provider’s clinical notes, supporting diagnostic evidence, and a citation of the specific CMS or payer policy being contested.
Every worked denial tracked from submission through adjudication via 277CA electronic acknowledgment. Escalation to Level 2 triggered automatically when a Level 1 appeal is denied and the remaining window allows further action. Every write-off requires practice manager approval.
The prevention track closes the loop from the denied claim back to the upstream process that caused it. This is what separates denial management from denial processing.
Denial management works best when integrated with the full revenue cycle. QlaimPro offers complete upstream and downstream services to stop denials before they start.
Tracks unit calculation accuracy by claim, modifier (QX, QK, AA, QZ), and concurrency level — tracked separately by payer's concurrency rule interpretation.
Carve-out plans adjudicate through a separate behavioral health organization. We configure ERA routing to the correct payer entity during onboarding, before the first posting cycle.
Reductions on CPT 97110, 97530, and 97140 may reflect the 8-minute rule, or incorrect bundling. We run that calculation on every timed-code reduction before routing it.
Tracks CPT 93458 catheterization denial rates split by modifier 26 and TC for each commercial payer. Primary KPI: cath lab clean claim rate by modifier split.
Add-on codes 77002/77003 are frequently bundled into the primary procedure under NCCI edits. We compare remitted amounts against both contracted rates before accepting a bundled payment.
Tracks CGM authorization approval rates (CPT 95251, HCPCS K0553/K0554) and biologic prior-auth denial rates by payer. Primary KPI: CGM authorization approval rate by payer.
Exceeding a timely filing deadline forfeits the revenue permanently — regardless of whether the original denial was correct. The table below reflects deadlines as of 2025–2026.
| Payer | Initial Claim Deadline | Level 1 Appeal Deadline | Key Notes |
|---|---|---|---|
|
Medicare (Traditional) |
12 months from DOS |
120 days from denial |
No good-cause exception for initial filing. 5-level appeal system (Redetermination → QIC → ALJ → Council → Federal Court) |
|
Medicare Advantage |
12 months from DOS |
60 days from denial |
Internal appeal must be exhausted before entering Medicare appeal system |
|
UnitedHealthcare Commercial |
90–180 days from DOS |
180 days from denial |
Verify by group number on Optum provider portal — plan types vary |
|
Aetna Commercial |
180 days from DOS |
180 days from denial |
Behavioral health carve-out (Aetna Behavioral Health) has separate filing rules |
|
BCBS (most state plans) |
90–365 days (varies) |
180 days from denial |
BCBS Texas: 90-day appeal window. BCBS Federal (FEP): OPM appeal process |
|
Humana Commercial |
180 days from DOS |
60 days from denial |
Gold card program reducing PA requirements — verify current specialty list by NPI |
|
Cigna / Evernorth |
180 days from DOS |
180 days from denial |
eviCore-managed specialty benefits have separate appeal routing through eviCore portal |
|
Medicaid (all states) |
90–365 days (varies) |
60–120 days (varies) |
No federal standard. Each state Medicaid program sets its own timeline — verify by state |
Three real practices. Three different denial problems. Results documented within 60 to 90 days of starting both tracks — recovery and prevention — simultaneously.
“QlaimPro’s denial trend report caught a UnitedHealthcare policy change on modifier billing in week two. My previous billing company’s monthly PDF would have buried that for another 45 days. We recovered $43,000 in denied cardiology claims that would have aged out.”
Internal Medicine Group, Dallas, TX — 4 Providers
“UnitedHealthcare was consistently bundling CPT 77003 with our CPT 64483 claims and our team posted it as a contractual adjustment every time. QlaimPro’s contract-rate comparison flagged the pattern in the first week. We recovered $28,000 in the first quarter.”
Interventional Pain Management, Chicago, IL — 3 Providers
“Manual EOB posting was running 48 to 72 hours behind and bank reconciliation was three to four days late. QlaimPro posts ERA files within 4 hours and our senior partner gets a cash report before 9 a.m. The transition took one week. Zero disruption.”
Anesthesia Group, Houston, TX — 6 Physicians
Answers to the most common questions about how denial management works, timely filing deadlines, and what to expect in the first 90 days.
A claim rejection occurs before payer adjudication begins — the payer system returns the claim for a format error, a missing required field, or an invalid identifier without reviewing the clinical content. A claim denial occurs after adjudication — the payer received, reviewed, and determined the claim unpayable. The distinction controls the timely filing window: a rejected claim’s window typically resets on correction and resubmission, while a denied claim’s appeal window runs from the denial date. CO-4 and CO-22 are denials. A missing NPI or invalid place-of-service code generates a rejection. Practices that treat these as the same event miscalculate how much time they have left to act.
Medicare’s timely filing deadline for initial claims is 12 months from the date of service, with no good-cause exception. For Level 1 Redetermination appeals, Medicare allows 120 days from the denial notice. UnitedHealthcare commercial plans allow 90 to 180 days for initial claim submission depending on the specific employer plan — verify on the Optum provider portal by group number. For UHC Level 1 appeals, the window is 180 days from the denial date. Aetna commercial plans allow 180 days for initial submission and 180 days for Level 1 internal appeal. For Medicare Advantage plans across all payers, the internal appeal window is typically 60 days from the denial notice before the Medicare appeals process opens.
A CO-50 medical necessity denial from a Medicare Advantage plan requires a peer-to-peer review request submitted to the plan’s medical director within 30 days of the denial date — not a standard appeal letter. The appeal must map the patient’s documented clinical condition point by point to the payer’s own Local Coverage Determination (LCD) criteria, include the treating physician’s clinical notes from the date of service, and cite the specific CMS or plan medical policy the denial is contesting. Generic medical necessity letters fail CO-50 appeals at major MA plans. According to KFF’s 2024 analysis of CMS records, 80.7% of appealed Medicare Advantage prior authorization denials are overturned — making the peer-to-peer review request the highest-ROI denial action available for MA medical necessity denials.
Medicare Advantage plans deny at 15 to 17% initial rates in 2025 and 2026 — more than double traditional Medicare’s 8% denial rate — because MA plans apply their own clinical criteria and AI-driven review tools that set stricter medical necessity standards than CMS’s own coverage policies. MA plans also require prior authorization for a wider range of services than traditional Medicare, creating more checkpoints where incomplete documentation triggers an automatic denial. UnitedHealthcare, Humana, and CVS Aetna use algorithmic review systems that process thousands of claims per day. A 2024 Congressional report concluded that denial rates at these 3 Medicare Advantage plans increased significantly after AI adoption.
A physician practice typically sees a measurable denial rate reduction within 60 to 90 days of outsourcing denial management services. The first 30 days involve backlog identification, denial categorization by reason code, and timely filing window assessment — with the highest-dollar denials worked first. Days 31 through 60 involve appeal filing and resubmission, with most Level 1 appeals adjudicated within 30 to 45 days by commercial payers. By day 90, the prevention track changes — coder corrections, authorization workflow updates, and eligibility process improvements — begin reducing new denial volume. QlaimPro clients in cardiology and physical therapy have documented denial rate reductions from 19 to 22% down to 4 to 6% within 90 days.
Denied claims 60 to 90 days old are recoverable in most cases, depending on the payer’s appeal window and the denial’s root cause. For UnitedHealthcare and Aetna commercial plans with 180-day appeal windows, a 90-day-old denial still has 90 days of recovery window remaining. For Medicare, with a 120-day Redetermination window from the denial date, a 90-day-old denial has 30 days of window remaining — requiring immediate action. For BCBS Texas commercial plans with a 90-day appeal window, a denial older than 90 days from the denial notice has no remaining window and must be written off. QlaimPro’s 48-hour denial audit identifies every claim in the backlog with its remaining appeal window before any contract is signed.
Denial management is the reactive process of working existing denied claims through root cause analysis, corrected resubmission, and formal appeal. Denial prevention is the proactive process of eliminating the upstream billing process error that caused the denial — so the same error does not recur next month. Prevention actions include coder feedback loops on CO-4 and CO-11 denials, authorization workflow updates for CO-15 denials, and eligibility verification process improvements for CO-22 denials. Practices that outsource denial management without implementing prevention changes recover denied revenue but continue generating new denials at the same rate. QlaimPro’s dual-track approach operates both processes simultaneously from the first month of service.
When a Level 1 internal appeal is denied, 4 escalation paths are available depending on the payer. For Medicare, the next step is a Level 2 Qualified Independent Contractor (QIC) Reconsideration, followed by a Level 3 Administrative Law Judge (ALJ) hearing, a Level 4 Medicare Appeals Council review, and Level 5 Federal District Court. For commercial plans, a Level 2 external review conducted by an Independent Review Organization (IRO) is required by ACA law for most denied claims above $100 — and the IRO decision is binding on the insurer. For Medicare Advantage, the plan’s internal appeal must be fully exhausted before entering the Medicare appeals system. QlaimPro tracks escalation deadlines and prepares the Level 2 documentation package when Level 1 fails.
Denial management services for physician practices are typically priced as a percentage of recovered collections — ranging from 4% to 8% of monthly collections for standalone denial management, or included within a full revenue cycle management agreement at 4% to 7% of total monthly collections. QlaimPro’s denial management service is month-to-month with no setup fees and no long-term contracts. The 48-hour free denial audit identifies recoverable revenue before any agreement is signed. Practices with denial rates above 10% typically recover more in the first 90 days than the cost of the service in the same period.
QlaimPro reviews your full denial backlog, categorizes every open denied claim by payer reason code and remaining appeal window, identifies the 3 root causes generating the most denial volume, and delivers a written recovery plan with projected revenue and timeline — before any service agreement is signed.
