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85610 Blood test, clotting time CPT · General Laboratory test
Classification Test General Laboratory Clinical Chemistry (CMS RBCS)
First observed 2013 — start of our 12-year window; the code predates it
National scale 2.53M services ▼ 15.4% YoY · 808,631 beneficiaries (CY2024, Medicare FFS)
Medicare paid $10.6M · $4.19 avg / service, national
CMS descriptor · RBCS classification · Medicare Part B physician/supplier claims, 12-year window · National figures — the IL market is below
Market analyticsPlatform Methods →

The full market analysis for this code & state — the shapes are yours; the numbers unlock with Platform.

The read
What am I looking at, in one breath?
The read Platform

In Illinois, 58 groups bill 85610 — 43,763 fee-for-service services, and volume is down 13.2% year over year.

premium
Unlock the Platform — the full read, every number below, code baskets, and export. Looking is free; the depth is paid. Notify me at launch →

The orienting line is free; the comparative synthesis — growth rank, concentration, and $/service against the national figure — unlocks with Platform.

The snapshot
The honest, real numbers — free, always.
Billing groups

58

Named groups billing this code in IL
Named-group FFS services

43,763

Attributable volume · fee-for-service
FFS of Medicare

57%

Payer-mix frame
Named-group coverage

57%

Of Illinois’s disclosed Part B services (2024). The rest is billed by clinicians whose volume isn’t attributed to any group — they belong to several groups, or none. How attribution works →
Services · year over year
Services YoY

-13.2%

FFS enrollment -2.7%
Volume, not care. A shrinking fee-for-service denominator is not a shrinking market.
Estimated all-Medicare volume estimate
FFS + estimated MA

~76,520 services

43,763 observed fee-for-service (57%) · ~32,757 estimated Medicare Advantage.

Scaled from the observed floor by each state’s fee-for-service share (FFS share as of 2024) — scaled estimate — assumes MA utilization mirrors FFS; not an observation. How we scale
The market
How big, moving which way, worth how much.
Billed → allowed → paid
Named-group submitted charges
$1.2M
Named-group allowed amount
$183K
Named-group Medicare payments
$183K
Avg charge / svc
$27
Avg allowed / svc
$4
Avg payment / svc
$4
Totals are named-group (attributable) sums. Allowed is Medicare’s fee-schedule recognized price — what CMS recognizes, before the 80% Medicare pays.
Per-service vs national + the payments trend unlock with Platformpremium
12-year trendpremium

The full twelve-year services and payments series, per-year values.

The structure
Who's in this market and how it's shaped.
Average charge per group
$5 58 groups · avg submitted charge / service $72
Market structurepremium

Who owns the volume, how concentrated it is, and the drawn unattributed segment.

Market positionpremium

Where this market sits on volume and growth among all state markets, and its rank.

National benchmarkspremium

Where each group's volume sits nationally and within its specialty.

The opportunity
So where do I act?
Worth a lookpremium

Every state market for this search, ranked by a published score: size, growth, fragmentation, below-expected volume. The cross-market compare view sits alongside.

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Data year: CY2024 CY2023 CY2022 locked column CY2021 locked column CY2020 locked column
Physician groups ranked by 85610 services, highest first, CY2024
# Physician group activate to sort City activate to sort Specialty activate to sort Providers activate to sort 85610 svcs sorted descending — activate to reverse Submitted charges activate to sort Avg charge activate to sort Medicare $ locked column Share* activate to sort Phone
1 DUPAGE MEDICAL GROUP LTD GLEN ELLYN PHYSICIAN ASSISTANT 1323 7,598 $151,996 $20 premium 5.8% (630) 469-9200
2 OSF MULTI-SPECIALTY GROUP PEORIA NURSE PRACTITIONER 2091 7,112 $241,244 $34 premium 5.4% (309) 683-5050
3 ADVOCATE HEALTH AND HOSPITALS CORPORATION BUFFALO GROVE NURSE PRACTITIONER 3045 6,348 $215,689 $34 premium 4.8% (847) 459-1160
4 NORTHWESTERN MEDICAL FACULTY FOUNDATION CHICAGO NURSE PRACTITIONER 4339 2,850 $83,722 $29 premium 2.2%
5 ADVENTIST HEALTH PARTNERS INC HINSDALE CARDIOVASCULAR DISEASE (CARDIOLOGY) 46 2,615 $33,995 $13 premium 2.0% (630) 789-3422
6 HEART CARE CENTERS OF ILLINOIS, S.C. PALOS PARK INTERVENTIONAL CARDIOLOGY 38 2,270 $40,860 $18 premium 1.7%
7 ENDEAVOR HEALTH MEDICAL GROUP EVANSTON NURSE PRACTITIONER 3380 2,204 $47,184 $21 premium 1.7%
8 ALEXIAN BROTHERS SPECIALTY GROUP ELK GROVE VILLAGE NURSE PRACTITIONER 44 1,499 $52,465 $35 premium 1.1% (847) 437-5500
9 PRIME HEALTHCARE ILLINOIS MEDICAL GROUP LLC DES PLAINES FAMILY PRACTICE 262 1,383 $48,405 $35 premium 1.0% (847) 297-1800
10 CONSULTANTS IN CARDIOLOGY AND ELECTROPHYSIOLOLGY LLC EVERGREEN PARK NURSE PRACTITIONER 21 951 $14,265 $15 premium 0.7% (708) 346-5562
11 HSHS MEDICAL GROUP INC DECATUR NURSE PRACTITIONER 202 908 $12,712 $14 premium 0.7% (217) 423-2889
12 ILLINOIS CANCER SPECIALISTS ARLINGTON HEIGHTS HEMATOLOGY/ONCOLOGY 29 873 $25,317 $29 premium 0.7% (847) 259-4482
13 WEST CENTRAL PATHOLOGY SPECIALISTS SC QUINCY PATHOLOGY 4 545 $21,134 $39 premium 0.4% 21722384006209
14 CHRISTIE CLINIC, PLLC CHAMPAIGN INTERNAL MEDICINE 220 480 $23,520 $49 premium 0.4% (217) 366-1200
15 HEART TEAM ,LLC ELGIN CARDIOVASCULAR DISEASE (CARDIOLOGY) 2 395 $9,060 $23 premium 0.3% (224) 535-6400
16 MENDOTA COMMUNITY HOSPITAL MENDOTA NURSE PRACTITIONER 51 348 $11,484 $33 premium 0.3% (815) 539-2663
17 FAIRVIEW HEIGHTS MEDICAL GROUP SC SHILOH NURSE PRACTITIONER 445 343 $6,174 $18 premium 0.3% (618) 236-8000
18 CHRISTOPHER GREATER AREA RURAL HEALTH PLANNING CORPORATION CHRISTOPHER NURSE PRACTITIONER 47 339 $1,695 $5 premium 0.3% (618) 724-2401
19 NORTHWEST ONCOLOGY AND HEMATOLOGY SC ROLLING MEADOWS HEMATOLOGY/ONCOLOGY 22 300 $6,000 $20 premium 0.2% (847) 870-4100
20 SWEDISHAMERICAN HOSPITAL ROCKFORD NURSE PRACTITIONER 390 295 $12,980 $44 premium 0.2% (779) 696-7610
21 FREEPORT REGIONAL HEALTH CARE FOUNDATION FREEPORT NURSE PRACTITIONER 86 256 $12,288 $48 premium 0.2% (815) 599-6000
22 CITY OF HOPE MEDICAL GROUP OF ILLINOIS PLLC ZION PHYSICIAN ASSISTANT 126 226 $3,390 $15 premium 0.2% (847) 872-4561
23 MEDICAL GROUP OF KANKAKEE COUNTY HERSCHER FAMILY PRACTICE 7 203 $3,654 $18 premium 0.2% (815) 426-2020
24 MEMORIAL HOSPITAL ASSOCIATION CARTHAGE NURSE PRACTITIONER 41 203 $5,887 $29 premium 0.2%
25 CLEAR PRACTICE PLLC CLAYTON NURSE PRACTITIONER 19 200 $6,800 $34 premium 0.2% (314) 209-2800
26 ORCHARD MEDICAL CENTER SC ANTIOCH FAMILY PRACTICE 4 161 $3,542 $22 premium 0.1% 8473953322111
27 KOCH FAMILY MEDICINE SC MORTON FAMILY PRACTICE 8 156 $8,112 $52 premium 0.1% (309) 263-2411
28 UNIVERSITY OF CHICAGO CHICAGO NURSE PRACTITIONER 1662 152 $7,440 $49 premium 0.1% (888) 824-0200
29 CENTRAL DUPAGE PHYSICIAN GROUP WHEATON PHYSICIAN ASSISTANT 1097 151 $5,587 $37 premium 0.1% (630) 933-4800
30 BEST PRACTICES INPATIENT CARE, LTD. BARRINGTON INTERNAL MEDICINE 81 146 $5,694 $39 premium 0.1% (847) 381-9600
31 ADULT PRIMARY CARE CENTER LTD OAK LAWN NURSE PRACTITIONER 5 141 $1,410 $10 premium 0.1% (708) 636-1601
32 HEALTHTEXAS PROVIDER NETWORK DALLAS PHYSICIAN ASSISTANT 2482 136 $3,501 $26 premium 0.1%
33 LINCOLN SURGICAL ASSOCIATES, LTD. SHILOH GENERAL SURGERY 25 134 $1,340 $10 premium 0.1% (618) 277-7400
34 BAPTIST HEALTH MEDICAL GROUP INC LOUISVILLE NURSE PRACTITIONER 2448 133 $1,729 $13 premium 0.1% (502) 928-1050
35 PAUL M. BAUBLY, M.D. S. C. ELMHURST INTERNAL MEDICINE 2 120 $3,000 $25 premium 0.1% (630) 595-9988
36 COVENANT MEDICAL GROUP, LLC GLENVIEW INTERNAL MEDICINE 7 116 $2,900 $25 premium 0.1% (847) 901-5200
37 ADVANTAGE PHYSICAL THERAPY AND SPORTS REHAB, LLC KENOSHA ORTHOPEDIC SURGERY 280 115 $5,175 $45 premium 0.1% (262) 925-5250
38 OAK STREET HEALTH PHYSICIANS GROUP PC CHICAGO NURSE PRACTITIONER 238 107 $2,140 $20 premium 0.1% (312) 566-4545
39 VADIM EDELSTEIN MD LTD SKOKIE PODIATRY 4 104 $3,042 $29 premium 0.1% 8479829988802
40 SPRINGFIELD CLINIC, LLP SPRINGFIELD NURSE PRACTITIONER 686 102 $7,344 $72 premium 0.1% (217) 544-6464
41 CARLE HEALTH CARE INCORPORATED URBANA NURSE PRACTITIONER 1528 98 $3,227 $33 premium 0.1% (888) 712-2753
42 MORRISON COMMUNITY HOSPITAL DISTRICT MORRISON NURSE PRACTITIONER 39 95 $5,483 $58 premium 0.1% (815) 772-4003
43 VHS OUTPATIENT CLINICS INC PHOENIX PHYSICIAN ASSISTANT 180 94 $1,034 $11 premium 0.1% (602) 274-6506
44 OVERLAKE MEDICAL CLINICS LLC BELLEVUE NURSE PRACTITIONER 414 91 $2,726 $30 premium 0.1% (425) 688-5460
45 SYED S. ASGHAR M.D.P.C. ELGIN INTERNAL MEDICINE 2 76 $1,140 $15 premium 0.1% (847) 428-0400
46 AMG ILLINOIS LTD GURNEE DIAGNOSTIC RADIOLOGY 26 70 $3,150 $45 premium 0.1% (847) 245-8448
47 LA PORTE CLINIC COMPANY LLC LA PORTE NURSE PRACTITIONER 67 64 $704 $11 premium 0.0% (219) 326-5700
48 SANDEEP CHANDRA MD SC BURBANK INTERNAL MEDICINE 3 60 $2,520 $42 premium 0.0% (704) 422-9577
49 MASSAC MEMORIAL HOSPITAL METROPOLIS NURSE PRACTITIONER 17 60 $780 $13 premium 0.0% (618) 524-8381
50 SARAH BUSH LINCOLN HEALTH CENTER MATTOON NURSE PRACTITIONER 405 53 $2,838 $54 premium 0.0%
51 FOX VALLEY MEDICAL ASSOCIATES, LTD. AURORA INTERNAL MEDICINE 14 52 $498 $10 premium 0.0% (630) 851-1144
52 TUCSON PHYSICIAN GROUP HOLDINGS LLC TUCSON INTERNAL MEDICINE 200 49 $735 $15 premium 0.0% (520) 396-1360
53 ADVENTIST HEALTH PARTNERS, INC. BOLINGBROOK FAMILY PRACTICE 244 46 $598 $13 premium 0.0%
54 GLOBAL CARE S.C. CRYSTAL LAKE CARDIOVASCULAR DISEASE (CARDIOLOGY) 3 38 $1,330 $35 premium 0.0% (815) 477-8900
55 WELLMONT CARDIOLOGY SERVICES KINGSPORT CARDIOVASCULAR DISEASE (CARDIOLOGY) 138 31 $310 $10 premium 0.0% (423) 230-5000
56 BOARD OF TRUSTEES OF SOUTHERN ILLINOIS UNIVERSITY SPRINGFIELD FAMILY PRACTICE 139 26 $1,066 $41 premium 0.0% (217) 545-8000
57 PERRY MEDICAL GROUP OF FLORIDA PA MEDFORD NURSE PRACTITIONER 16 23 $782 $34 premium 0.0% (866) 447-3779
58 RIVERSIDE MEDICAL S C ARLINGTON HEIGHTS INTERNAL MEDICINE 9 19 $190 $10 premium 0.0% (847) 577-9300

*Share of the state's disclosed Medicare-FFS services for the primary code, counted once per clinician. "St" is the state the volume was billed from: a group appears in each state where its clinicians bill Medicare, with that state's volume and share ("City" is the group's registered location). Group figures sum clinicians affiliated with exactly one group; clinicians in several groups are listed in each group's drill-down but not volume-attributed to any single group, so shares reflect attributable volume. See Methods.

Comparing against an all-payer estimate?

These are exact counts from Medicare fee-for-service claims — roughly a third to half of most procedure markets, depending on payer mix. Modeled all-payer databases project the remainder statistically; we publish the audited floor and label it as such. Same market, different denominator. How the numbers reconcile →