CRYDE – “Cryptosporidium Antigen Detect” replaced by CRYSP – “Cryptosporidium Antigen, EIA”

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Inactivated/Replace Test

Effective Date

09/12/2022

Included in Report

WML Test Directory Update | September 2022

Inactivated Test Details

Mnemonic

CRYDE

Ordering Code

3719100

CPT-4 Codes(s)

87328

Replacement Test Details

Mnemonic

CRYSP

Ordering Code

3400607

CPT-4 Codes(s)

87328

Specimen Information

Collect

Stool in Total-Fix®

Specimen Preparation

Send 10.0 g or 10.0 mL stool in a Total-Fix® transport vial.

Alternate Specimen

Stool: Cary-Blair media or 10% formalin

Minimum Volume

5.0 g or 5.0 mL

Transport Temperature

Room temperature

Rejection Criteria

Stool in PVA, concentrated specimens. Unpreserved stool.

Stability

Room temperature: 18 months
Refrigerated: Unacceptable
Frozen: Unacceptable

Methodology

Immunoassay
more

Reference Range

Not detected
more

Performing Laboratory

Quest SJC
more

Interface Map for CRYSP

Test Name Ordering Code Result Code Component Name LOINC Code AOE Prompt Units
3400607 Cryptosporidium Antigen, EIA
3400607 Cryptosporidium Antigen, EIA 6371-9 No

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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