A0999
Unlisted ambulance service
Unlisted ambulance service is the #236 most-billed Medicaid procedure code, with $618.4M in payments across 4.3M claims from 2018–2024. The national median cost per claim is $45.53. Costs vary widely — the 90th percentile is $1,502.84 per claim, 33.0× the median.
Total Paid
$618.4M
0.06% of all spending
Total Claims
4.3M
Providers
505
Avg Cost/Claim
$144
National Cost Distribution
How much do providers bill per claim for A0999? Based on 421 providers billing this code nationally.
Median
$45.53
Average
$488.74
Std Dev
$785.03
Max
$5,478.95
Percentile Distribution (Cost per Claim)
50% of providers bill between $2.50 and $774.58 per claim for this code.
90% bill between $0.27 and $1,502.84.
Top 1% bill above $2,866.48.
About This Procedure
HCPCS code A0999 (Unlisted ambulance service) was billed by 505 providers across 4.3M claims, totaling $618.4M in Medicaid payments from 2018–2024. This code was used for 1.6M unique beneficiaries.
Risk Assessment
Billing Statistics
Median Cost/Claim
$45.53
Providers Billing
421
National Spending
$618.4M
Avg/Median Ratio
10.73×
Highly skewed — outlier-driven
Top Providers Billing This Code
Ranked by total Medicaid payments for A0999
| # | Provider | Total Paid |
|---|---|---|
| 1 | City Of Tacoma Tacoma, WA · Ambulance Land Transport | $75.1M |
| 2 | Central Pierce Fire & Rescue Tacoma, WA · Ambulance Land Transport | $45.6M |
| 3 | 1972656841 | $42.9M |
| 4 | 1871569137 | $19.4M |
| 5 | 1578547022 | $18.8M |
| 6 | 1669984324 | $17.6M |
| 7 | 1063485837 | $17.1M |
| 8 | 1326291071 | $15.1M |
| 9 | 1528153657 | $13.5M |
| 10 | 1811076565 | $13.5M |
| 11 | 1538133061 | $12.7M |
| 12 | 1255633475 | $10.9M |
| 13 | 1043340045 | $10.9M |
| 14 | 1114920774 | $10.7M |
| 15 | 1942288972 | $10.1M |
| 16 | 1477548253 | $10.1M |
| 17 | 1174683056 | $9.8M |
| 18 | 1194028571 | $9.8M |
| 19 | 1851370134 | $8.7M |
| 20 | 1780636803 | $8.1M |
Showing top 20 of 505 providers billing this code