CPT 33737

Open heart atrial septum opening with inflow occlusion, unscheduled

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

Revision of heart chamber

Payer pricing summary

Low

$14.9k

Average

$17.4k

Median

$17.5k

High

$19.7k

Filter by billing methodology

All methodologies Case rate 25 Fee schedule 39 Per diem 3 Percent of billed charges 20 Other 9

Filter by billing class

#
1	Anthem per diem · outpatient	1	$14.9k	$14.9k	$3.4k	23%	—	$11.8k – $19.7k
2	Oscar facility · per diem · outpatient	1	$17.5k	$17.5k	—	—	—	$17.5k – $17.5k
3	Wellmark per diem · outpatient	1	$19.7k	$19.7k	—	—	—	$19.7k – $19.7k

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