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83721 Ldl cholesterol level 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 1.12M services · est. ▲ 2.4% YoY · 412,593 FFS beneficiaries (CY2024, all-Medicare estimate) — 552,661 observed fee-for-service services
CMS descriptor · RBCS classification · Medicare Part B physician/supplier claims, 12-year window · National figures — the FL market is below
Data year CY2024 CY2023 CY2022 locked column CY2021 locked column CY2020 locked column
Market overview
Market Brief 83721
The whole of 83721, written up and sourced.

The Brief is a national document for 83721. Its findings page carries one finding per chapter, each opening the chapter that prints its figure and the table behind it — like these, from Florida, CY2024, the market on this page.

  1. 1Size and growth. 27 billing groups and 137 clinicians billed 83721 in Florida in CY2024 — ~51,207 all-Medicare services (estimated), 22,458 observed fee-for-service. The market is down 8.4% year over year.
  2. 2Payment. Half the field lists between $21 and $32 per service; the median group lists $25. Submitted charges are provider-set list amounts, not payments.
  3. 3State benchmarks. Florida is the #2 state market of 48 for 83721, and its volume moved -17.4% over five years.
Estimated all-Medicare volume estimate
FFS + estimated MA

~163,092 services

71,528 observed fee-for-service (44%) · ~91,564 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
National benchmarks

Florida ranks #2 of the 48 state markets by est. all-Medicare services for this code — 37.2 services per 1,000 Part B FFS beneficiaries in CY2024.

30 svc (lowest) median 8,574 174,043 (highest)

Each tick is one state market's est. all-Medicare services (scaled estimate) for this code, CY2024, on a value axis — the 50 states and DC; overseas territories are excluded. Rank counts from the highest (#2 of 48 ≈ the 98th percentile). Where each group on this page sits nationally within its specialty renders on its drill-down.

Market position
volume →

Florida is a high-volume, shrinking market for this code — #32 of 48 state markets by 5-year growth, #2 of 48 by est. all-Medicare services.

5-yr change -17.4% CAGR (avg. yearly growth) -9.4%/yr volume #2 of 48 growth #32 of 48
Volume bands are terciles among all state markets for this search, CY2020–CY2024; growth bands are this market's own 5-year change (±2%). CAGR excludes 2020 and the introduction year.
Average charge
per service, submitted list amounts — not payments · named-group basis, observed FFS
Average payment
per service, Medicare paid amounts — not charges · all disclosed claims, observed FFS basis
Charge-to-payment ratio
average list price vs average Medicare payment per service · named-group basis
What they charge

Half the field lists between $21 and $32

Submitted charges are provider-set list amounts, not payments · median $25 (named groups)
Every group, one dot27 billing groups · median $25

The same field as one dot per billing group: where the cluster sits, and how far the tail reaches

$0$30$60average submitted charge per service, per billing groupmedian $25
One dot per billing group, 83721 in FL CY2024 — average submitted charge per service, provider-set list amounts, not payments. The axis caps near the 95th percentile so the cluster is legible; groups beyond it draw at the cap in accent and are counted on the chart.

Boca Raton is Florida's largest named-group market for this service — drawn to scale

Where the market isbubble = services
Boca Raton: 8,937 services · 6 groups · median list charge $26Fort Myers: 2,098 services · 1 groups · median list charge $11Mount Dora: 1,951 services · 1 groups · median list charge $20Fort Walton Beach: 1,621 services · 1 groups · median list charge $58Port Richey: 1,560 services · 1 groups · median list charge $10Melbourne: 1,537 services · 1 groups · median list charge $33Ocala: 975 services · 3 groups · median list charge $35Lakewood Ranch: 830 services · 1 groups · median list charge $35Gainesville: 469 services · 2 groups · median list charge $53Orlando: 437 services · 1 groups · median list charge $30Spring Hill: 420 services · 1 groups · median list charge $25Perry: 359 services · 1 groups · median list charge $34Hollywood: 210 services · 1 groups · median list charge $29Lakeland: 191 services · 1 groups · median list charge $21West Palm Beach: 147 services · 1 groups · median list charge $12Wellington: 104 services · 1 groups · median list charge $21Margate: 89 services · 1 groups · median list charge $21Davie: 47 services · 1 groups · median list charge $21Casselberry: 31 services · 1 groups · median list charge $18Temple Terrace: 29 services · 1 groups · median list charge $20Delray Beach: 27 services · 1 groups · median list charge $21Atlantis: 23 services · 1 groups · median list charge $21Cape Coral: 22 services · 1 groups · median list charge $21Belleview: 18 services · 1 groups · median list charge $34Port Charlotte: 12 services · 1 groups · median list charge $19Boca RatonFort MyersMount DoraFort Walton BeachPort RicheyMelbourneOcalaLakewood RanchGainesvilleOrlandoSpring HillPerryHollywood
25 of the top 27 billing cities mapped (98.6% of their named-group volume).
Leading city marketsthe map, as a list
1Boca Raton 8,937 $26
6 groups · median list charge
2Fort Myers 2,098 $11
1 group · median list charge
3Mount Dora 1,951 $20
1 group · median list charge
4Fort Walton Beach 1,621 $58
1 group · median list charge
5Port Richey 1,560 $10
1 group · median list charge
6Melbourne 1,537 $33
1 group · median list charge
7Ocala 975 $35
3 groups · median list charge
8Lakewood Ranch 830 $35
1 group · median list charge
9Gainesville 469 $53
2 groups · median list charge
10Orlando 437 $30
1 group · median list charge
11Spring Hill 420 $25
1 group · median list charge
City grain — the group ranking lives below. 11 cities listed.

Every group in this market, placed by list charge against volume

This market’s groups, on one chart27 groups · bubble = services
1001,000One billing groupOne billing groupOne billing groupOne billing groupOne billing groupOne billing groupOne billing groupOne billing groupOne billing groupOne billing groupOne billing groupOne billing groupOne billing groupOne billing groupOne billing groupOne billing groupOne billing groupOne billing groupOne billing groupOne billing groupOne billing groupOne billing groupOne billing groupOne billing groupOne billing groupOne billing groupOne billing group$10$25$50$75$100+Average submitted charge per service — list amounts, not paymentsServices per group — 83721, CY2024
One mark per physician group, 83721 in FL CY2024 — marks are unnamed here: a mark’s position is its average list charge, and that figure is part of the platform. Submitted charges are provider-set list amounts, not payments.

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