Sonora Quest Laboratories LLC
Rate Outlier
Billing above the 90th percentile across multiple procedure codes simultaneously.
Billing above the 90th percentile for 6 procedure codes: 88307 at 2.2× median, P9604 at 14.5× median.
Statistical flags are not proof of wrongdoing. Some entities (government agencies, home care programs) may legitimately bill at high rates. Hospitals, government entities, and large care organizations may legitimately bill at higher rates due to patient acuity, overhead costs, or specialized services. Read our methodology.
Red Flags Explained
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Each flag represents a statistical test that identified unusual billing patterns. Here's what each flag on this provider means in plain English:
Rate Outlier
Rate Outlier means this provider charges above the 90th percentile for multiple different procedure codes simultaneously. While one high-cost code could reflect specialization, consistently high rates across many codes may indicate systematic overbilling.
These flags are statistical indicators only. Many flagged providers have legitimate explanations for their billing patterns. Learn more about our methodology.
Advanced Detection Signals
Additional statistical tests from advanced fraud detection methods
These signals use advanced statistical methods including digit distribution analysis, change-point detection, and market concentration metrics. Learn more.
Compared to Clinical Medical Laboratory Peers
Total spending distribution among 88 providers in this specialty
This provider's total spending of $298.1M is at the 75th percentile among 88 Clinical Medical Laboratory providers.
Total Paid
$298.1M
$298,054,861
Total Claims
28.5M
Beneficiaries
26.0M
1.1 claims/patient
Avg Cost/Claim
$10
#250 of 618K providers by total spending(top <0.1%)
🔍 Analysis
Provider Overview
Sonora Quest Laboratories LLC is a Clinical Medical Laboratory provider based in Phoenix, AZ. From the 2018–2024 period, this provider received $298.1M in Medicaid payments across 28.5M claims.
Why This Matters
This provider received $298.1M in taxpayer-funded Medicaid payments — enough to fund healthcare for approximately 37,256 Medicaid beneficiaries for a full year at average per-enrollee costs.
Monthly Spending Trend
Yearly Spending
Procedure Breakdown
Cost per claim compared to national benchmarks
This provider bills for 30 distinct procedure codes. The top code (U0003 (Infectious disease detection (COVID-19))) accounts for 27% of total spending.
$80.1M
882K claims
$90.75
$63.08
Infectious disease detection (COVID-19)
$80.1M
882K claims · 26.9%
$16.3M
350K claims
$46.61
$37.56
Drug test, definitive, 1-7 drug classes
$16.3M
350K claims · 5.5%
General health panel
$15.3M
1.1M claims · 5.1%
$14.1M
474K claims
$29.74
$35.43
Drug test, presumptive, by chemistry analyzers
$14.1M
474K claims · 4.7%
$9.5M
594K claims
$15.93
$24.95
Chlamydia detection, nucleic acid, amplified probe
$9.5M
594K claims · 3.2%
$9.4M
593K claims
$15.81
$23.39
Neisseria gonorrhoeae detection, nucleic acid, amplified probe
$9.4M
593K claims · 3.1%
Lipid panel
$9.3M
1.5M claims · 3.1%
Vitamin D, 25 hydroxy
$8.5M
758K claims · 2.8%
Comprehensive metabolic panel
$6.4M
1.7M claims · 2.1%
$5.6M
1.2M claims
$4.52
$5.50
Hemoglobin A1c (glycated hemoglobin)
$5.6M
1.2M claims · 1.9%
$4.9M
248K claims
$19.77
$19.06
Cytopathology, cervical or vaginal, ThinPrep
$4.9M
248K claims · 1.6%
$4.3M
1.7M claims
$2.49
$4.71
Complete blood count (CBC) with differential, automated
$4.3M
1.7M claims · 1.4%
Thyroid stimulating hormone (TSH)
$3.9M
665K claims · 1.3%
$3.4M
283K claims
$12.12
$18.03
HIV-1 antigen with HIV-1 and HIV-2 antibodies
$3.4M
283K claims · 1.2%
$3.2M
96K claims
$33.46
$35.80
Surgical pathology, gross and microscopic examination
$3.2M
96K claims · 1.1%
$3.1M
208K claims
$14.99
$21.08
Trichomonas vaginalis detection, nucleic acid, amplified probe
$3.1M
208K claims · 1.0%
$3.0M
70K claims · 1.0%
$2.7M
1.8M claims
$1.53
$1.57
Collection of venous blood by venipuncture
$2.7M
1.8M claims · 0.9%
$2.6M
167K claims
$15.79
$25.57
HPV detection, high-risk types, nucleic acid
$2.6M
167K claims · 0.9%
Cyanocobalamin (vitamin B-12)
$2.6M
375K claims · 0.9%
$2.6M
80K claims · 0.9%
$2.2M
65K claims
$34.16
$40.67
Allergen specific IgE blood test, each allergen
$2.2M
65K claims · 0.7%
$2.1M
647K claims
$3.30
$5.31
Urine culture, colony count, with identification
$2.1M
647K claims · 0.7%
$2.1M
101K claims · 0.7%
Free thyroxine level blood test
$1.9M
455K claims · 0.6%
$1.8M
26K claims · 0.6%
$1.7M
248K claims · 0.6%
Hepatitis C antibody
$1.7M
226K claims · 0.6%
$1.7M
48K claims
$35.19
$38.79
Infectious agent detection, amplified probe, multiple organisms
$1.7M
48K claims · 0.6%
Antibody, SARS-CoV-2 (COVID-19)
$1.6M
44K claims · 0.5%
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