IDR Data
CMS PUF data · 2023 Q1–2025 Q4

CPT 87177: Federal IDR outcomes

Smear for parasites

In 2025 Q1–Q4, the provider or facility offer prevailed in 75.2% of 101 determined Federal IDR dispute line items for CPT 87177. The median prevailing offer was 5.93x the QPA (25th–75th percentile 2.39x–11.22x; n = 54). The median time to a decision was 28 business days (n = 101).

Determined line items

101

2025 Q1–Q4 · 0 split decisions excluded

Provider win rate

75.2%

n = 101 · 2025 Q1–Q4

Median payment vs QPA

5.93x

middle half 2.39x–11.22x · n = 54 · 2025 Q1–Q4

Median days to decision

28

business days, from dispute initiation · n = 101 · 2025 Q1–Q4

Dollar amounts

Fewer than 30 line items with dollar amounts in 2025 Q1–Q4; not shown.

Dollar amounts by period

PeriodLine items with $Total awardedTotal QPAAbove QPAMedian awardMedian QPAAward ×QPA ($-weighted)
2025 Q1–Q4Fewer than 30 line items with dollar amounts; not shown.
2024 Q3–Q4Fewer than 30 line items with dollar amounts; not shown.
2024 Q3–2025 Q4Fewer than 30 line items with dollar amounts; not shown.
2023 Q1–2024 Q2Not available (see methodology).

From the CMS QPA and Offers file (see above). Award ×QPA here is total awarded ÷ total QPA, so large claims weigh more than in the per-line median ratio.

By period

PeriodLine itemsWin %Median ×QPA25th–75thRatio nMedian days
2025 Q1–Q410175.2%5.93x2.39x–11.22x5428
2024 Q1–Q4Fewer than 30 determined line items; not shown.
2023 Q1–Q4Fewer than 30 determined line items; not shown.
2023 Q1–2025 Q411671.6%5.54x1.57x–10.96x62not 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.

By state

State (place of service)Line itemsWin %Median ×QPARatio nMedian days
Texas6672.7%4.53x3527.5

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

By specialty

Specialty groupLine itemsWin %Median ×QPARatio nMedian days
Emergency medicine and emergency departments6678.8%6.12x4727

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

Section: Pathology and laboratory (80047–89398)

FAQ

What is the Federal IDR provider win rate for CPT 87177?

In 2025 Q1–Q4, the provider or facility offer was selected in 75.2% of 101 determined dispute line items for CPT 87177. 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 CPT 87177?

In 2025 Q1–Q4, the median prevailing offer was 5.93x the qualifying payment amount (QPA), with a 25th to 75th percentile range of 2.39x to 11.22x (n = 54 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 CPT 87177?

In 2025 Q1–Q4, the median was 28 business days (n = 101 line items), using the CMS field Length of Time to Make Determination (from dispute initiation).

How to Utilize IDR