IDR Data
CMS PUF data · 2023 Q1–2025 Q4

Federal IDR outcomes: Intraoperative neuromonitoring in Maryland

In 2025 Q1–Q4, the provider or facility offer prevailed in 87.9% of 1,259 determined Federal IDR dispute line items for intraoperative neuromonitoring in Maryland. The median prevailing offer was 24.96x the QPA (25th–75th percentile 7.27x–61.15x; n = 944). The median time to a decision was 28 business days (n = 1,259).

Determined line items

1,259

2025 Q1–Q4 · 0 split decisions excluded

Provider win rate

87.9%

n = 1,259 · 2025 Q1–Q4

Median payment vs QPA

24.96x †

middle half 7.27x–61.15x · n = 944 · 2025 Q1–Q4

Median days to decision

28

business days, from dispute initiation · n = 1,259 · 2025 Q1–Q4

Dollar amounts are not shown for specialty groups: the CMS QPA and Offers file, the only source of dollar figures, has no specialty field. See methodology.

By period

PeriodLine itemsWin %Median ×QPA25th–75thRatio nMedian days
2025 Q1–Q41,25987.9%24.96x †7.27x–61.15x94428
2024 Q1–Q435386.1%14.27x5.99x–32.41x25548
2023 Q1–Q44697.8%13.97x5.68x–19.40x4178
2023 Q1–2025 Q41,65887.8%21.21x †6.87x–54.59x1,240not pooled

Line items = determined dispute line items (n). Win rate excludes split decisions and includes default decisions. Ratio n = line items reporting a payment-to-QPA ratio. Days are business days as reported by CMS (2023–2024: from IDR entity assignment; 2025: from initiation) and are never pooled.

Most disputed CPT codes

CPT codeLine itemsWin %Median ×QPARatio nMedian days
95938 Placement of skin electrodes and measurement of stimulated sites on arms and leg33986.7%61.99x †26328
95941 Continuous remote monitoring of nervous system during operation, each hour26390.5%10.81x19827
95861 Needle measurement of electrical activity in arm or leg muscles, 2 extremities16886.9%40.71x †12727
95939 Placement of skin electrodes and measurement of central motor stimulation in arm10690.6%23.80x †8028.5
95955 Measurement of brain wave activity (EEG) outside the brain during surgery6892.6%53.29x †4628
95870 Needle measurement of electrical activity in arm, leg, trunk or head muscles, li5884.5%47.66x †4428
95868 Needle measurement of electrical activity in muscles on both sides of body4283.3%–2931
95937 Testing of nerve-muscle junction3797.3%–2230

2025 Q1–Q4 · rows with n ≥ 30 determined line items · sorted by n.

Related: all specialties in Maryland · Intraoperative neuromonitoring in all states

FAQ

What is the Federal IDR provider win rate for intraoperative neuromonitoring in Maryland?

In 2025 Q1–Q4, the provider or facility offer was selected in 87.9% of 1,259 determined dispute line items for intraoperative neuromonitoring in Maryland. Split decisions are excluded from the denominator and default decisions are included. Withdrawn, settled and ineligible disputes are not in the CMS data.

How do Federal IDR payments compare with the QPA for intraoperative neuromonitoring in Maryland?

In 2025 Q1–Q4, the median prevailing offer was 24.96x the qualifying payment amount (QPA), with a 25th to 75th percentile range of 7.27x to 61.15x (n = 944 line items). This uses the CMS field Prevailing Party Offer as % of QPA, where 1.00x equals the QPA.

How long do Federal IDR decisions take for intraoperative neuromonitoring in Maryland?

In 2025 Q1–Q4, the median was 28 business days (n = 1,259 line items), using the CMS field Length of Time to Make Determination (from dispute initiation).

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