Knee extension assist for above-knee prosthesis at Seattle Children's Hospital

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

Ak Endo Knee Extnsn Assist

Seattle, WA

See all hospitals reporting HCPCS L5850 →

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How this price compares nationally

Seattle Children's Hospital’s median price of $370 is 117% above the median hospital's median price ($171), higher than 97% 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 Seattle Children's Hospital

Negotiated rates from the hospital’s own file: 11 payers, 27 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	Kaiser molina apple health facility · percent of total billed charges · bothfrom % of charges	$112.02	$112.02	$112.02 – $112.02
2	Molina molina apple health facility · percent of total billed charges · bothfrom % of charges	$112.02	$112.02	$112.02 – $112.02
3	UnitedHealthcare united community apple health facility · percent of total billed charges · bothfrom % of charges	$115.31	$115.31	$115.31 – $115.31
4	UnitedHealthcare united bh community apple health facility · percent of total billed charges · bothfrom % of charges	$141.67	$141.67	$141.67 – $141.67
5	Premera premera exchange facility · percent of total billed charges · bothfrom % of charges	$235.33	$235.33	$235.33 – $235.33
6	Premera premera public option facility · percent of total billed charges · bothfrom % of charges	$235.33	$235.33	$235.33 – $235.33
7	Regence regence exchange facility · percent of total billed charges · bothfrom % of charges	$235.33	$235.33	$235.33 – $235.33
8	Kaiser kaiser exchange facility · percent of total billed charges · bothfrom % of charges	$239.69	$239.69	$239.69 – $239.69
9	Kaiser kaiser hmo facility · percent of total billed charges · bothfrom % of charges	$283.27	$283.27	$283.27 – $283.27
10	Regence regence ump facility · percent of total billed charges · bothfrom % of charges	$283.27	$283.27	$283.27 – $283.27
11	Premera premera hmo facility · percent of total billed charges · bothfrom % of charges	$296.34	$296.34	$296.34 – $296.34
12	Premera premera narrow network facility · percent of total billed charges · bothfrom % of charges	$318.13	$318.13	$318.13 – $318.13
13	Kaiser kaiser ppo facility · percent of total billed charges · bothfrom % of charges	$326.85	$326.85	$326.85 – $326.85
14	Molina molina exchange facility · percent of total billed charges · bothfrom % of charges	$326.85	$326.85	$326.85 – $326.85
15	UnitedHealthcare united exchange facility · percent of total billed charges · bothfrom % of charges	$326.85	$326.85	$326.85 – $326.85
16	UnitedHealthcare united hmo facility · percent of total billed charges · bothfrom % of charges	$326.85	$326.85	$326.85 – $326.85
17	UnitedHealthcare united narrow network facility · percent of total billed charges · bothfrom % of charges	$326.85	$326.85	$326.85 – $326.85
18	Blue Cross Blue Shield regence ppo facility · percent of total billed charges · bothfrom % of charges	$361.71	$361.71	$361.71 – $361.71
19	Premera premera ppo facility · percent of total billed charges · bothfrom % of charges	$361.71	$361.71	$361.71 – $361.71
20	Regence regence ppo facility · percent of total billed charges · bothfrom % of charges	$361.71	$361.71	$361.71 – $361.71
21	Aetna aetna ppo facility · percent of total billed charges · bothfrom % of charges	$366.07	$366.07	$366.07 – $366.07
22	Cigna cigna narrow network facility · percent of total billed charges · bothfrom % of charges	$370.43	$370.43	$370.43 – $370.43
23	Cigna cigna ppo facility · percent of total billed charges · bothfrom % of charges	$370.43	$370.43	$370.43 – $370.43
24	UnitedHealthcare united ppo facility · percent of total billed charges · bothfrom % of charges	$370.43	$370.43	$370.43 – $370.43
25	Humana multiplan ppo facility · percent of total billed charges · bothfrom % of charges	$414.01	$414.01	$414.01 – $414.01

Page 1 of 2 · 27 rates

Last updated: Mar 31, 2026

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