Knee extension assist for above-knee prosthesis at University of Wisconsin Hospital and Clinics Authority

Hospitals report these codes with terse, inconsistent chargemaster text. This plain-English title was written by an AI model from that text and has not been reviewed by a person, so it can be wrong. The prices on this page come straight from hospital filings and do not depend on it.

Model: claude-haiku-5-5
Provider: anthropic
API: message_batches
Reasoning effort: low
Max output tokens: 4096
Prompt version (hash): 444523875572
Generated: October 20, 2026

Original text from hospital filings

HB-Endo Ak/Hd Knee Extension Assist (L5850)

Madison, WI

See all hospitals reporting HCPCS L5850 →

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Pricing by billing methodology

Price type

How this price compares nationally

University of Wisconsin Hospital and Clinics Authority’s median price of $299 is 75% above the median hospital's median price ($171), higher than 92% of the 855 hospitals reporting HCPCS L5850. The highlighted bar is where this hospital falls; shaded is the middle 50% of hospitals.

Payers reporting HCPCS L5850 at University of Wisconsin Hospital and Clinics Authority

Negotiated rates from the hospital’s own file: 10 payers, 21 plan rates. A facility fee, a professional fee, a per diem and a case rate are different bills, so each is listed on its own. Open a payer to see it across hospitals.

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1	Aetna hmo/ppo fee schedule	$156.61	$156.61	$156.61 – $156.61
2	Aetna Better Health aetna better health il fee schedule	$156.61	$156.61	$156.61 – $156.61
3	Anthem anthem medicare adv fee schedule	$156.61	$156.61	$156.61 – $156.61
4	Humana humana medicare adv fee schedule	$156.61	$156.61	$156.61 – $156.61
5	Molina molina choice care hmo fee schedule	$156.61	$156.61	$156.61 – $156.61
6	Molina my choice wi fee schedule	$156.61	$156.61	$156.61 – $156.61
7	UnitedHealthcare united healthcare medicare adv plans fee schedule	$156.61	$156.61	$156.61 – $156.61
8	Devoted hmo/pos fee schedule	$159.74	$159.74	$159.74 – $159.74
9	Anthem blue_priority/pathway percent of total billed chargesfrom % of charges	$210.12	$210.12	$210.12 – $210.12
10	Anthem hmo/pos percent of total billed chargesfrom % of charges	$290.15	$290.15	$290.15 – $290.15
11	UnitedHealthcare nexus percent of total billed chargesfrom % of charges	$295.10	$295.10	$295.10 – $295.10
12	Cigna oap/ppo/epo percent of total billed chargesfrom % of charges	$309.00	$309.00	$309.00 – $309.00
13	Optum optum_behavioral_health percent of total billed chargesfrom % of charges	$322.39	$322.39	$322.39 – $322.39
14	UnitedHealthcare nonoptions percent of total billed chargesfrom % of charges	$322.39	$322.39	$322.39 – $322.39
15	Aetna aetna_w percent of total billed chargesfrom % of charges	$367.20	$367.20	$367.20 – $367.20
16	Anthem ppo percent of total billed chargesfrom % of charges	$370.23	$370.23	$370.23 – $370.23
17	MultiPlan healtheos/phcs percent of total billed chargesfrom % of charges	$412.00	$412.00	$412.00 – $412.00
18	Aetna aetna_non_w percent of total billed chargesfrom % of charges	$413.03	$413.03	$413.03 – $413.03
19	UnitedHealthcare options percent of total billed chargesfrom % of charges	$437.24	$437.24	$437.24 – $437.24
20	MultiPlan multiplan percent of total billed chargesfrom % of charges	$473.80	$473.80	$473.80 – $473.80
21	Anthem anthem_par percent of total billed chargesfrom % of charges	$489.25	$489.25	$489.25 – $489.25

Last updated: Apr 1, 2026

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