Injection of natalizumab, per milligram at Ascension Seton

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

NATALIZUMAB 300MG/15ML INJ

Austin, TX

See all hospitals reporting HCPCS J2323 →

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Pricing by billing methodology

Price type

How this price compares nationally

Ascension Seton’s median price of $25 is 41% below the median hospital's median price ($42), higher than 15% of the 1,759 hospitals reporting HCPCS J2323. The highlighted bar is where this hospital falls; shaded is the middle 50% of hospitals.

Payers reporting HCPCS J2323 at Ascension Seton

Negotiated rates from the hospital’s own file: 4 payers, 22 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	Tricare 1229_tricare cah outpatient 20170101 fee schedule · outpatient	$16	$16	—	—	—	$16 – $16
2	UnitedHealthcare 4498_united healthcare (aus,nw,sw, bas) 20250701 other · outpatient	$25	$25	—	—	—	$25 – $25
3	UnitedHealthcare 4499_united healthcare (del) 20250701 other · outpatient	$25	$25	—	—	—	$25 – $25
4	UnitedHealthcare 4500_united healthcare (wil,hays) 20250701 other · outpatient	$25	$25	—	—	—	$25 – $25
5	UnitedHealthcare 4501_united healthcare nexus city hmo (aus,nw,sw,bas) 20250701 other · outpatient	$25	$25	—	—	—	$25 – $25
6	UnitedHealthcare 4502_united healthcare nexus city hmo (del) 20250701 other · outpatient	$25	$25	—	—	—	$25 – $25
7	UnitedHealthcare 4503_united healthcare nexus city hmo (wil,hays) 20250701 other · outpatient	$25	$25	—	—	—	$25 – $25
8	UnitedHealthcare 4504_united healthcare nexus city ppo (aus,nw,sw,bas) 20250401 other · outpatient	$25	$25	—	—	—	$25 – $25
9	UnitedHealthcare 4506_united healthcare nexus city ppo (wil,hays) 20250701 other · outpatient	$25	$25	—	—	—	$25 – $25
10	UnitedHealthcare 4507_united healthcare standard nexus aco (aus,nw,sw,bas) 20250701 other · outpatient	$25	$25	—	—	—	$25 – $25
11	UnitedHealthcare 4508_united healthcare standard nexus aco (del) 20250701 other · outpatient	$25	$25	—	—	—	$25 – $25
12	UnitedHealthcare 4509_united healthcare standard nexus aco (wil,hays) 20250701 other · outpatient	$25	$25	—	—	—	$25 – $25
13	Aetna 1377_aetna hmo exchange 20200101 fee schedule · outpatient	$29	$29	—	—	—	$29 – $29
14	Aetna 4335_aetna sha aisd 20250101 fee schedule · outpatient	$36	$36	—	—	—	$36 – $36
15	Aetna 4489_aetna aco hmo 20250801 fee schedule · outpatient	$37	$37	—	—	—	$37 – $37
16	Aetna 4490_aetna multi-tier whole health sha 20250801 fee schedule · outpatient	$40	$40	—	—	—	$40 – $40
17	Aetna 4486_aetna hmo 20250801 fee schedule · outpatient	$45	$45	—	—	—	$45 – $45
18	Blue Cross Blue Shield 4127_blue cross blue shield bav exchange 20250101 fee schedule · outpatient	$71	$71	—	—	—	$71 – $71
19	Blue Cross Blue Shield 4440_blue cross blue shield hpn 20250501 fee schedule · outpatient	$73	$73	—	—	—	$73 – $73
20	Blue Cross Blue Shield 4497_blue cross blue shield hpn (dell, williamson,hays) 20250501 fee schedule · outpatient	$73	$73	—	—	—	$73 – $73
21	Blue Cross Blue Shield 4095_blue cross blue shield hmo essentials 20250101 fee schedule · outpatient	$81	$81	—	—	—	$81 – $81
22	Blue Cross Blue Shield 4094_blue cross blue shield ppo 20250101 fee schedule · outpatient	$89	$89	—	—	—	$89 – $89

Last updated: Jan 1, 2026

Compare to other hospitals

See Injection of natalizumab, per milligram pricing across every hospital in the network reporting it, or ask Claude or any MCP client directly — see how to connect.