Federal IDR outcomes: Anesthesiology in South Dakota
In 2025 Q1–Q4, the provider or facility offer prevailed in 54.9% of 1,398 determined Federal IDR dispute line items for anesthesiology in South Dakota. The median prevailing offer was 2.86x the QPA (25th–75th percentile 1.71x–4.55x; n = 1,398). The median time to a decision was 25 business days (n = 1,398).
Determined line items
1,398
2025 Q1–Q4 · 0 split decisions excluded
Provider win rate
54.9%
n = 1,398 · 2025 Q1–Q4
Median payment vs QPA
2.86x
middle half 1.71x–4.55x · n = 1,398 · 2025 Q1–Q4
Median days to decision
25
business days, from dispute initiation · n = 1,398 · 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
| Period | Line items | Win % | Median ×QPA | 25th–75th | Ratio n | Median days |
|---|---|---|---|---|---|---|
| 2025 Q1–Q4 | 1,398 | 54.9% | 2.86x | 1.71x–4.55x | 1,398 | 25 |
| 2024 Q1–Q4 | Fewer than 30 determined line items; not shown. | |||||
| 2023 Q1–Q4 | Fewer than 30 determined line items; not shown. | |||||
| 2023 Q1–2025 Q4 | 1,402 | 55.0% | 2.56x | 1.71x–4.55x | 1,402 | not 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 code | Line items | Win % | Median ×QPA | Ratio n | Median days |
|---|---|---|---|---|---|
| 00812 Anesthesia for exam of colon using an endoscope | 187 | 59.9% | 5.01x | 187 | 26 |
| 00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using | 108 | 44.4% | 1.71x | 108 | 27 |
| 00170 Anesthesia for other procedure on mouth | 76 | 55.3% | 4.18x | 76 | 27 |
| 00811 Anesthesia for other procedure on large bowel using an endoscope | 59 | 54.2% | 4.18x | 59 | 30 |
| 00813 Anesthesia for procedure on small and large bowel using an endoscope | 57 | 68.4% | 4.18x | 57 | 22 |
| 00840 Anesthesia for other procedure on lower abdomen | 57 | 50.9% | 3.92x | 57 | 28 |
| 01967 Anesthesia for labor during planned vaginal delivery | 50 | 64.0% | 3.58x | 50 | 28 |
| 01830 Anesthesia for other procedure on forearm, wrist, or hand bones | 36 | 55.6% | 4.18x | 36 | 21 |
| 00790 Anesthesia for other procedure on upper abdomen | 34 | 47.1% | 1.71x | 34 | 26 |
| 00300 Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and up | 33 | 54.5% | 3.80x | 33 | 23 |
| 00126 Anesthesia for incision of ear drum | 30 | 43.3% | 1.71x | 30 | 27.5 |
2025 Q1–Q4 · rows with n ≥ 30 determined line items · sorted by n.
Related: all specialties in South Dakota · Anesthesiology in all states
FAQ
What is the Federal IDR provider win rate for anesthesiology in South Dakota?
In 2025 Q1–Q4, the provider or facility offer was selected in 54.9% of 1,398 determined dispute line items for anesthesiology in South Dakota. 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 anesthesiology in South Dakota?
In 2025 Q1–Q4, the median prevailing offer was 2.86x the qualifying payment amount (QPA), with a 25th to 75th percentile range of 1.71x to 4.55x (n = 1,398 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 anesthesiology in South Dakota?
In 2025 Q1–Q4, the median was 25 business days (n = 1,398 line items), using the CMS field Length of Time to Make Determination (from dispute initiation).