CIABG – “Cutaneous Immunofl Ab IgG, Ser” replaced by CIFAS – “Cutaneous Immuonofluoresence, IgG and IgG4, Serum”

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Inactivated/Replace Test

Effective Date

06/10/2025

Included in Report

WML Test Directory Update | June 2025

Replacement Test

CUTANEOUS IMMUNOFLUORESENCE, IgG and IgG4, SERUM

Inactivated Test Details

Mnemonic

CIABG

Ordering Code

3800500

CPT-4 Codes(s)

88346, 88350

Replacement Test Details

Mnemonic

CIFAS

Ordering Code

3800413

CPT-4 Codes(s)

88346, 88350, plus 88350 if reflexed to titer

The CPT codes provided are for general informational purposes only and are based on an interpretation of AMA guidance. It is the sole responsibility of the billing party to determine CPT codes. Any questions regarding coding should be directed to the paying party.

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