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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 WA 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 Washington, CY2024, the market on this page.

  1. 1Size and growth. 6 billing groups and 25 clinicians billed 83721 in Washington in CY2024 — ~2,603 all-Medicare services (estimated), 1,336 observed fee-for-service. The market is up 3.0% year over year.
  2. 2Payment. Half the field lists between $23 and $47 per service; the median group lists $25. Submitted charges are provider-set list amounts, not payments.
  3. 3State benchmarks. Washington is the #7 state market of 48 for 83721, and its volume moved +58.0% over five years.
Estimated all-Medicare volume estimate
FFS + estimated MA

~36,627 services

18,801 observed fee-for-service (51%) · ~17,826 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

Washington ranks #7 of the 48 state markets by est. all-Medicare services for this code — 29.1 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 (#7 of 48 ≈ the 88th percentile). Where each group on this page sits nationally within its specialty renders on its drill-down.

Market position
volume →

Washington is a high-volume, growing market for this code — #8 of 48 state markets by 5-year growth, #7 of 48 by est. all-Medicare services.

5-yr change +58.0% CAGR (avg. yearly growth) +8.6%/yr volume #7 of 48 growth #8 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 $23 and $47

Submitted charges are provider-set list amounts, not payments · median $25 (named groups)
Every group, one dot6 billing groups · median $25

Each dot is one billing group — 6 of them list this code

$0$40$80average submitted charge per service, per billing groupmedian $25
One dot per billing group, 83721 in WA 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.

Pullman is Washington's largest named-group market for this service — drawn to scale

Where the market isbubble = services
Pullman: 803 services · 1 groups · median list charge $23Seattle: 337 services · 2 groups · median list charge $50Spokane: 68 services · 1 groups · median list charge $23Tacoma: 59 services · 2 groups · median list charge $50Marysville: 40 services · 1 groups · median list charge $22Vancouver: 15 services · 1 groups · median list charge $53Puyallup: 14 services · 1 groups · median list charge $22PullmanSeattleSpokaneTacomaMarysvilleVancouver
7 of the top 7 billing cities mapped (100.0% of their named-group volume).
Leading city marketsthe map, as a list
1Pullman 803 $23
1 group · median list charge
2Seattle 337 $50
2 groups · median list charge
3Spokane 68 $23
1 group · median list charge
4Tacoma 59 $50
2 groups · median list charge
5Marysville 40 $22
1 group · median list charge
6Vancouver 15 $53
1 group · median list charge
7Puyallup 14 $22
1 group · median list charge
City grain — the group ranking lives below. 7 cities listed.

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

This market’s groups, on one chart6 groups · bubble = services
100One 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 WA 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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