Quest Diagnostics Incorporated MD
Billing Swing
Experienced over 200% change in year-over-year billing with >$1M absolute change.
Billing changed from $5.0M (2019) to $19.4M (2020) — a 292% swing with $14.4M absolute change.
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:
Billing Swing
Billing Swing means this provider's total billing changed dramatically from one year to the next — increasing or decreasing by more than 200% with over $1M in absolute change. This could indicate a change in practice scope, a billing scheme ramping up, or legitimate growth.
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 $121.8M is at the 25th percentile among 88 Clinical Medical Laboratory providers.
Total Paid
$121.8M
$121,814,555
Total Claims
8.3M
Beneficiaries
7.4M
1.1 claims/patient
Avg Cost/Claim
$15
#979 of 618K providers by total spending(top 0.2%)
🔍 Analysis
Provider Overview
Quest Diagnostics Incorporated MD is a Clinical Medical Laboratory provider based in Baltimore, MD. From the 2018–2024 period, this provider received $121.8M in Medicaid payments across 8.3M claims.
Why This Matters
This provider received $121.8M in taxpayer-funded Medicaid payments — enough to fund healthcare for approximately 15,226 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 24% of total spending.
$29.3M
376K claims
$77.86
$63.08
Infectious disease detection (COVID-19)
$29.3M
376K claims · 24.1%
$7.3M
94K claims
$78.25
$37.56
Drug test, definitive, 1-7 drug classes
$7.3M
94K claims · 6.0%
$6.9M
148K claims
$46.55
$35.43
Drug test, presumptive, by chemistry analyzers
$6.9M
148K claims · 5.7%
$5.4M
239K claims
$22.54
$24.95
Chlamydia detection, nucleic acid, amplified probe
$5.4M
239K claims · 4.4%
$5.3M
239K claims
$22.24
$23.39
Neisseria gonorrhoeae detection, nucleic acid, amplified probe
$5.3M
239K claims · 4.4%
Lipid panel
$3.3M
447K claims · 2.7%
Comprehensive metabolic panel
$3.0M
499K claims · 2.5%
Vitamin D, 25 hydroxy
$2.8M
193K claims · 2.3%
$2.7M
184K claims
$14.68
$18.03
HIV-1 antigen with HIV-1 and HIV-2 antibodies
$2.7M
184K claims · 2.2%
$2.7M
22K claims
$120.34
$64.72
Drug test, definitive, 8-14 drug classes
$2.7M
22K claims · 2.2%
Thyroid stimulating hormone (TSH)
$2.3M
258K claims · 1.9%
$2.1M
472K claims
$4.48
$4.71
Complete blood count (CBC) with differential, automated
$2.1M
472K claims · 1.7%
$1.9M
46K claims
$41.15
$38.79
Infectious agent detection, amplified probe, multiple organisms
$1.9M
46K claims · 1.6%
$1.8M
352K claims
$5.09
$5.50
Hemoglobin A1c (glycated hemoglobin)
$1.8M
352K claims · 1.5%
$1.7M
93K claims
$17.81
$21.08
Trichomonas vaginalis detection, nucleic acid, amplified probe
$1.7M
93K claims · 1.4%
$1.6M
50K claims
$33.19
$38.35
Tuberculosis test, cell-mediated immunity
$1.6M
50K claims · 1.4%
$1.6M
4K claims
$384.23
$358.21
Fetal chromosomal aneuploidy genomic sequence analysis
$1.6M
4K claims · 1.4%
$1.5M
90K claims
$16.22
$19.06
Cytopathology, cervical or vaginal, ThinPrep
$1.5M
90K claims · 1.2%
$1.4M
90K claims
$15.61
$15.76
Infectious disease detection, COVID-19, antigen
$1.4M
90K claims · 1.2%
$1.4M
6K claims
$214.84
$183.31
CFTR gene analysis, common variants
$1.4M
6K claims · 1.1%
$1.2M
55K claims
$21.97
$25.57
HPV detection, high-risk types, nucleic acid
$1.2M
55K claims · 1.0%
$1.1M
25K claims · 0.9%
$1.1M
48K claims · 0.9%
$1.1M
8K claims
$129.90
$97.61
Respiratory virus detection, 6-11 targets, nucleic acid
$1.1M
8K claims · 0.9%
Hepatitis C antibody
$1.0M
120K claims · 0.9%
$999K
21K claims · 0.8%
$907K
5K claims
$172.95
$169.17
Respiratory virus detection, 12-25 targets, nucleic acid
$907K
5K claims · 0.7%
$875K
24K claims · 0.7%
$834K
14K claims
$61.18
$35.80
Surgical pathology, gross and microscopic examination
$834K
14K claims · 0.7%
General health panel
$771K
98K claims · 0.6%
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