Infectious agent antigen test, multi-step enzyme immunoassay at St. David's Georgetown 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-sonnet-5-5
Provider: anthropic
API: message_batches
Reasoning effort: model default
Max output tokens: 4096
Prompt version (hash): 444523875572
Generated: October 20, 2026

Original text from hospital filings

Infectious agent antigen detection by immunoassay technique (eg, enzyme immunoassay ºEIA», enzyme-linked immunosorbent assay ºELISA», fluorescence immunoassay ºFIA», immunochemiluminometric assay ºIMC

Georgetown, TX

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How this price compares nationally

St. David's Georgetown Hospital’s median price of $208 is 746% above the median hospital's median price ($25), higher than 95% of the 2,602 hospitals reporting CPT 87449. The highlighted bar is where this hospital falls; shaded is the middle 50% of hospitals.

Payers reporting CPT 87449 at St. David's Georgetown Hospital

Negotiated rates from the hospital’s own file: 15 payers, 75 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	UnitedHealthcare mgmcd fee schedule · outpatient	$10	$10	—	—	—	$10 – $10
2	Blue Cross Blue Shield chip fee schedule · outpatient	$11	$11	—	—	—	$11 – $11
3	Blue Cross Blue Shield mcd fee schedule · outpatient	$11	$11	—	—	—	$11 – $11
4	Molina chip fee schedule · outpatient	$11	$11	—	—	—	$11 – $11
5	Molina mcdstar fee schedule · outpatient	$11	$11	—	—	—	$11 – $11
6	Molina star+plus fee schedule · outpatient	$11	$11	—	—	—	$11 – $11
7	Molina starkids fee schedule · outpatient	$11	$11	—	—	—	$11 – $11
8	Aetna cscamcr fee schedule · outpatient	$12	$12	—	—	—	$12 – $12
9	Blue Cross Blue Shield mcrppo fee schedule · outpatient	$12	$12	—	—	—	$12 – $12
10	Blue Cross Blue Shield mgmcrhmo fee schedule · outpatient	$12	$12	—	—	—	$12 – $12
11	Cigna Healthspring dualeligible fee schedule · outpatient	$12	$12	—	—	—	$12 – $12
12	Cigna Healthspring medicareadvantagehmo fee schedule · outpatient	$12	$12	—	—	—	$12 – $12
13	Cigna Healthspring pffs fee schedule · outpatient	$12	$12	—	—	—	$12 – $12
14	Cigna Healthspring pos fee schedule · outpatient	$12	$12	—	—	—	$12 – $12
15	Cigna Healthspring ppo fee schedule · outpatient	$12	$12	—	—	—	$12 – $12
16	Cigna Healthspring snp fee schedule · outpatient	$12	$12	—	—	—	$12 – $12
17	Devoted mcr fee schedule · outpatient	$12	$12	—	—	—	$12 – $12
18	Humana mcrhmo fee schedule · outpatient	$12	$12	—	—	—	$12 – $12
19	Humana mcrppo fee schedule · outpatient	$12	$12	—	—	—	$12 – $12
20	Humana mgmcr fee schedule · outpatient	$12	$12	—	—	—	$12 – $12
21	Humana mgmcrppo fee schedule · outpatient	$12	$12	—	—	—	$12 – $12
22	UnitedHealthcare allpayerappendix fee schedule · outpatient	$12	$12	—	—	—	$12 – $12
23	UnitedHealthcare narrownetworkhix fee schedule · outpatient	$12	$12	—	—	—	$12 – $12
24	UnitedHealthcare smallgroup fee schedule · outpatient	$12	$12	—	—	—	$12 – $12
25	Aetna mcr fee schedule · outpatient	$12	$12	—	—	—	$12 – $12

Page 1 of 3 · 75 rates

Last updated: Sep 1, 2026

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See Infectious agent antigen test, multi-step enzyme immunoassay pricing across every hospital in the network reporting it, or ask Claude or any MCP client directly — see how to connect.