CPT 0521U

Rheumatoid factor and anti-CCP antibody blood test

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

Rf iga&igm ccp antb sr-a ia

Payer pricing summary

Low

$23

Average

$60

Median

$53

High

$145

Payer rate distribution

Filter by billing methodology

All methodologies Case rate 23 Fee schedule 36 Per diem 0 Percent of billed charges 5 Other 5

Filter by billing class

#
1	Molina facility · case rate · outpatient · +2 other terms	33	$71	$60	$30	51%	—	$23 – $129
2	UnitedHealthcare facility · case rate · outpatient · +1 other terms	28	$61	$67	$22	33%	—	$23 – $131
3	Caresource facility · case rate · outpatient	18	$82	$87	$19	22%	—	$52 – $131
4	Anthem facility · case rate · outpatient · +1 other terms	16	$75	$81	$20	25%	—	$52 – $129
5	Humana facility · case rate · outpatient · +1 other terms	15	$52	$44	$13	29%	—	$23 – $54
6	Aetna facility · case rate · outpatient · +1 other terms	14	$52	$47	$11	23%	—	$23 – $55
7	Optum facility · case rate · outpatient	13	$69	$70	$26	37%	—	$22 – $117
8	WellCare case rate · outpatient · +1 other terms	9	$52	$54	$2	4%	—	$52 – $57
9	Blue Cross Blue Shield case rate · outpatient · +1 other terms	8	$52	$52	—	—	—	$52 – $52
10	Aetna Better Health facility · case rate · outpatient	6	$28	$28	—	—	—	$28 – $28

Page 1 of 3 · 23 payers

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