Lab
Quest Diagnostics Clinical Laboratories INC
Quest Diagnostics Clinical Laboratories INC was paid $2.98M by Medicaid between Jan 2018 and Dec 2024, across 95 billing codes. Its largest line is 88175, Cytopathology, cervical or vaginal, any reporting system; collected in preservative fluid, automated thin layer — 23% of everything it billed.
33Billing provider infoQUEST DIAGNOSTICS CLINICAL LABORATORIES INC
MARYLAND HEIGHTS, MO 63146
MARYLAND HEIGHTS, MO 63146
33aNPI1104016088assigned 07/27/2007
33bProvider typeClinical Medical Laboratory
28Total paid$2.98M
24GClaims293,233
24DCodes billed95
24AFirst – last monthJan 2018 – Dec 2024
Compared with peers
Next to other Clinical Medical Laboratory providers in Missouri
Rank by total paid#7 of 61
Median peer was paid$85K
This provider vs. median35×
Peers share this provider's primary NPPES type and state. Size alone says nothing about billing quality: a big agency or a hospital system is expected to sit far above the median.
Auditor's notes
Automated statistical signals. Not evidence of fraud — how these are computed.
Entity ProliferationAuthorized official TIMMERMAN, LEAH controls 20+ related entities in our dataset. Read more
Box 24A · Dates of service
Paid by month
Paid that monthNov–Dec 2024: claims still arriving when the file was cut, so these months run low for every provider
By year, as a table
| Year | Claims | Paid | |
|---|---|---|---|
| 2018 | 49,131 | $740K | |
| 2019 | 41,294 | $440K | |
| 2020 | 31,086 | $296K | |
| 2021 | 38,562 | $364K | |
| 2022 | 46,473 | $451K | |
| 2023 | 56,937 | $494K | |
| 2024incomplete | 29,750 | $198K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 88175 | Cytopathology, cervical or vaginal, any reporting system; collected in preservative fluid, automated thin layer | 23% | 37,565 | 36,448 | $679K |
| 87086 | Culture, bacterial; quantitative colony count, urine | 10% | 37,513 | 34,879 | $304K |
| 87088 | 6.6% | 22,846 | 21,103 | $196K | |
| 80053 | Comprehensive metabolic panel | 4.6% | 18,284 | 17,081 | $137K |
| 80061 | Lipid panel | 4.3% | 14,341 | 13,730 | $128K |
| 87491 | Infectious agent detection by nucleic acid; Chlamydia trachomatis, amplified probe | 4.0% | 3,399 | 3,314 | $119K |
| 80307 | Drug test(s), presumptive, any number of drug classes; immunoassay | 4.0% | 2,814 | 2,409 | $118K |
| 87591 | Infectious agent detection by nucleic acid; Neisseria gonorrhoeae, amplified probe | 3.9% | 3,383 | 3,298 | $117K |
| 88305 | Level IV - Surgical pathology, gross and microscopic examination | 3.8% | 2,847 | 2,255 | $112K |
| 85025 | Blood count; complete (CBC), automated, and automated differential WBC count | 3.3% | 18,456 | 17,121 | $99K |
| 87186 | 3.2% | 11,077 | 10,009 | $95K | |
| 83036 | Hemoglobin; glycosylated (A1C) | 2.9% | 13,716 | 13,286 | $85K |
83 more codes
| 88141 | 2.2% | 6,972 | $67K | |
| 87624 | Infectious agent detection by nucleic acid; human papillomavirus (HPV), high-risk types | 2.1% | 2,647 | $61K |
| 80050 | General health panel | 2.0% | 2,466 | $58K |
| 87081 | 1.6% | 8,730 | $48K | |
| 88142 | 1.5% | 5,232 | $44K | |
| 84443 | Thyroid stimulating hormone (TSH) | 1.4% | 3,294 | $42K |
| 87070 | 1.4% | 7,105 | $41K | |
| 87077 | 1.2% | 8,684 | $36K | |
| 82306 | Vitamin D; 25 hydroxy, includes fraction(s), if performed | 1.2% | 1,770 | $35K |
| 81513 | 1.1% | 452 | $33K | |
| 87661 | Infectious agent detection by nucleic acid; Trichomonas vaginalis, amplified probe | 1.0% | 1,222 | $31K |
| 87801 | Infectious agent detection by nucleic acid; amplified probe, multiple organisms | <1% | 770 | $21K |
| 85027 | <1% | 3,701 | $18K | |
| U0003 | Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, making use of high throughput technologies as described by cms-2020-01-r | <1% | 368 | $17K |
| 80048 | Basic metabolic panel (calcium, ionized) | <1% | 2,763 | $17K |
| 84439 | <1% | 1,898 | $16K | |
| 81001 | <1% | 6,492 | $16K | |
| 87389 | Infectious agent antigen detection by immunoassay technique, HIV-1 antigen with HIV-1 and HIV-2 antibodies | <1% | 1,083 | $15K |
| 80081 | <1% | 221 | $14K | |
| 87209 | <1% | 1,385 | $14K | |
| 87449 | <1% | 1,700 | $12K | |
| 87427 | <1% | 1,493 | $11K | |
| 85610 | <1% | 3,584 | $11K | |
| 87045 | <1% | 1,665 | $10K | |
| 87075 | <1% | 985 | $9K | |
| 87147 | <1% | 2,409 | $8K | |
| 87177 | <1% | 1,422 | $7K | |
| 87101 | <1% | 1,041 | $6K | |
| 87205 | <1% | 1,931 | $6K | |
| 87338 | <1% | 407 | $5K | |
| 85652 | <1% | 2,054 | $4K | |
| 87329 | <1% | 431 | $3K | |
| 82947 | <1% | 780 | $3K | |
| 86592 | <1% | 1,231 | $3K | |
| 87324 | <1% | 517 | $3K | |
| 86140 | <1% | 802 | $3K | |
| 87046 | <1% | 798 | $3K | |
| 83735 | <1% | 689 | $3K | |
| 87102 | <1% | 438 | $3K | |
| 82570 | <1% | 642 | $2K | |
| 82950 | <1% | 491 | $2K | |
| 87522 | Neg quan hep c or qual rna | <1% | 59 | $2K |
| 87220 | <1% | 431 | $2K | |
| 87799 | <1% | 97 | $2K | |
| 83550 | <1% | 195 | $2K | |
| 80069 | <1% | 287 | $1K | |
| 81025 | <1% | 174 | $1K | |
| 83020 | <1% | 127 | $1K | |
| 84481 | <1% | 84 | $1K | |
| 84702 | <1% | 167 | $1K | |
| 83540 | <1% | 226 | $1K | |
| 81003 | <1% | 782 | $1K | |
| 87107 | <1% | 151 | $1K | |
| 86769 | <1% | 29 | $1K | |
| 86803 | <1% | 105 | $937.53 | |
| 82043 | <1% | 174 | $851.81 | |
| 82728 | <1% | 59 | $826.78 | |
| 84436 | <1% | 346 | $797.25 | |
| 84479 | <1% | 332 | $781.85 | |
| 87328 | <1% | 78 | $775.02 | |
| 82105 | <1% | 66 | $766.40 | |
| 84550 | <1% | 261 | $689.51 | |
| 84156 | <1% | 296 | $604.88 | |
| 87512 | <1% | 33 | $588.00 | |
| 82248 | <1% | 201 | $581.45 | |
| 82607 | <1% | 42 | $553.00 | |
| 87206 | <1% | 144 | $474.13 | |
| 88112 | <1% | 37 | $443.17 | |
| 88304 | <1% | 12 | $405.25 | |
| 84100 | <1% | 140 | $390.37 | |
| 81015 | <1% | 125 | $303.89 | |
| 83615 | <1% | 76 | $265.65 | |
| 87880 | Infectious agent antigen detection by immunoassay; Streptococcus, group A | <1% | 13 | $154.44 |
| G0145 | Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, with screening by automated system and manual rescreening under physician supervision | <1% | 1,704 | $153.05 |
| 83690 | <1% | 43 | $148.77 | |
| 84480 | <1% | 12 | $121.50 | |
| 80076 | <1% | 14 | $84.89 | |
| G0124 | Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, requiring interpretation by physician | <1% | 13 | $51.43 |
| 36415 | Collection of venous blood by venipuncture | <1% | 6,755 | $40.95 |
| 89055 | <1% | 26 | $32.01 | |
| 85018 | <1% | 16 | $19.36 | |
| G0123 | Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, screening by cytotechnologist under physician supervision | 0% | 245 | $0.00 |
| 81420 | Fetal chromosomal aneuploidy genomic sequence analysis panel | 0% | 50 | $0.00 |
Claims and beneficiary counts add up across code × month rows, so one patient seen every month counts many times. Rows with fewer than 12 claims are suppressed by HHS, so small lines can be missing.
From NPPES
Who's on the registration
Authorized officialTIMMERMAN, LEAH (VICE PRESIDENT)
Parent organizationQUEST DIAGNOSTICS INCORPORATED
Matched on the authorized-official name exactly as entered in NPPES. A common name can match unrelated people.