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

Average

$62

Median

$54

High

$202

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	Aetna fee schedule · outpatient · +6 other terms	239	$52	$58	$20	35%	—	$28 – $185
2	Blue Cross Blue Shield fee schedule · outpatient · +5 other terms	192	$53	$227	$637	281%	—	$0 – $3.6k
3	UnitedHealthcare fee schedule · outpatient · +7 other terms	172	$53	$111	$613	551%	—	$1 – $6.7k
4	Humana fee schedule · outpatient · +5 other terms	107	$53	$54	$8	15%	—	$51 – $144
5	Cigna fee schedule · outpatient · +4 other terms	86	$53	$65	$29	45%	—	$51 – $155
6	Molina fee schedule · outpatient · +5 other terms	79	$75	$68	$24	36%	—	$31 – $141
7	Kaiser fee schedule · outpatient · +3 other terms	47	$57	$79	$39	50%	—	$41 – $194
8	WellCare fee schedule · outpatient · +3 other terms	47	$54	$55	$3	5%	—	$52 – $64
9	Ambetter fee schedule · outpatient · +2 other terms	46	$92	$92	$16	17%	—	$70 – $140
10	Anthem facility · fee schedule · outpatient · +6 other terms	41	$52	$61	$30	48%	—	$52 – $212

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