Statistical flags indicate unusual patterns — not proof of fraud or wrongdoing. Read our methodology

#1998 of 11K

99366

HCPCS Procedure Code

HCPCS code 99366 is the #1,998 most-billed Medicaid procedure code, with $10.3M in payments across 158K claims from 2018–2024. The national median cost per claim is $37.02. Costs vary widely — the 90th percentile is $101.72 per claim, 2.7× the median.

Total Paid

$10.3M

0.00% of all spending

Total Claims

158K

Providers

176

Avg Cost/Claim

$65

National Cost Distribution

How much do providers bill per claim for 99366? Based on 142 providers billing this code nationally.

Median

$37.02

Average

$64.83

Std Dev

$102.73

Max

$613.64

Percentile Distribution (Cost per Claim)

p10
$8.96
p25
$20.00
Median
$37.02
p75
$55.22
p90
$101.72
p95
$334.46
p99
$511.69

50% of providers bill between $20.00 and $55.22 per claim for this code.

90% bill between $8.96 and $101.72.

Top 1% bill above $511.69.

About This Procedure

HCPCS code 99366 was billed by 176 providers across 158K claims, totaling $10.3M in Medicaid payments from 2018–2024. This code was used for 128K unique beneficiaries.

Risk Assessment

Billing Statistics

Median Cost/Claim

$37.02

Providers Billing

142

National Spending

$10.3M

Avg/Median Ratio

1.75×

Moderately skewed

Top Providers Billing This Code

Ranked by total Medicaid payments for 99366

#ProviderTotal Paid
11083952857$5.2M
21760596480$712K
31376628990$571K
4County Of Sacramento

Sacramento, CA · Clinic/Center Adult Mental Health

$451K
51164457735$401K
6Los Angeles County Department Of Mental Health

Los Angeles, CA · Clinic/Center, Mental Health (Including Community Mental Health Center)

$325K
71356397228$257K
81427168889$218K
91013476787$202K
101831200310$152K
111932164308$138K
121861425282$130K
131689067886$106K
14County Of Ventura

Oxnard, CA · Community/Behavioral Health

$85K
151447354089$80K
161609979640$74K
171629361217$70K
181851343586$66K
191619995370$66K
201982007464$61K

Showing top 20 of 176 providers billing this code