Ouchterlony immunodiffusion 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

HC IMMUNODIFFUSION; GEL QUAL, EA AB/AG

Payers reporting CPT 86331

Payer pricing summary

Low

Average

$152

Median

$39

High

$2.4k

Payer rate distribution

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1	Bcbs Mt fee schedule · outpatient · +2 other terms	1	$20	$20	$8	39%	40	$12 – $27
2	Anthem fee schedule · outpatient · +24 other terms	221	$13	$18	$29	160%	39–174	$2 – $687
3	Blue Cross Blue Shield fee schedule · outpatient · +32 other terms	539	$18	$29	$32	108%	34–79	$1 – $307
4	UnitedHealthcare fee schedule · outpatient · +32 other terms	818	$12	$15	$21	146%	33–330	$1 – $687
5	Aetna fee schedule · outpatient · +31 other terms	754	$14	$45	$298	665%	8–80	$0 – $8.4k
6	Regence fee schedule · outpatient · +16 other terms	32	$12	$20	$24	119%	6–60	$8 – $290
7	Optum fee schedule · outpatient · +17 other terms	73	$12	$14	$5	38%	4–40	$3 – $35
8	Cigna fee schedule · outpatient · +26 other terms	521	$24	$30	$28	92%	3–30	$1 – $315
9	Humana fee schedule · outpatient · +26 other terms	552	$12	$23	$31	132%	1–10	$1 – $228
10	Molina fee schedule · outpatient · +29 other terms	300	$13	$14	$9	66%	1–10	$1 – $195
11	Ambetter fee schedule · outpatient · +19 other terms	119	$20	$18	$6	36%	1–10	$8 – $50
12	Bcbs Al facility · other · outpatient · +4 other terms	4	$15	$15	$1	10%	1–10	$14 – $18
13	WellCare fee schedule · outpatient · +20 other terms	313	$12	$14	$28	197%	—	$8 – $708
14	Devoted fee schedule · outpatient · +15 other terms	193	$12	$12	$0	2%	—	$12 – $14
15	Oscar fee schedule · outpatient · +17 other terms	165	$23	$26	$9	33%	—	$12 – $37
16	Cigna Healthspring fee schedule · outpatient · +8 other terms	137	$12	$12	$2	13%	—	$7 – $20
17	Kaiser fee schedule · outpatient · +18 other terms	128	$12	$11	$7	69%	—	$1 – $66
18	Aetna Better Health fee schedule · outpatient · +18 other terms	115	$12	$12	$3	26%	—	$6 – $41
19	MultiPlan fee schedule · outpatient · +19 other terms	106	$44	$39	$49	125%	—	$4 – $318
20	Caresource fee schedule · outpatient · +16 other terms	97	$13	$16	$11	67%	—	$1 – $72
21	Tricare facility · fee schedule · outpatient · +16 other terms	89	$12	$13	$16	119%	—	$4 – $197
22	First Health fee schedule · outpatient · +15 other terms	68	$12	$21	$36	170%	—	$4 – $343
23	Highmark facility · fee schedule · outpatient · +15 other terms	66	$18	$35	$29	84%	—	$8 – $118
24	Amerihealth Caritas fee schedule · outpatient · +12 other terms	57	$12	$13	$4	29%	—	$2 – $37
25	Medicare fee schedule · both · +13 other terms	56	$12	$12	$1	4%	—	$12 – $16

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