RPPAB – “Ribosomal P Protein IgG Abs” replaced by RPP – “Ribosomal P Protein IgG Abs”

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Inactivated/Replace Test

Effective Date

03/31/2026

Included in Report

WML Test Directory Update | March 2026

Replacement Test

RIBOSOMAL P PROTEIN IgG ABS

Inactivated Test Details

Mnemonic

RPPAB

Ordering Code

3703140

CPT-4 Codes(s)

83516

Replacement Test Details

Mnemonic

RPP

Ordering Code

3000957

CPT-4 Codes(s)

83516

Turnaround Time
1 - 4 days
Performed
Monday - Friday
Legacy Code
RPP
Example Report
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Specimen Information

Collect

Serum separator tube (SST)

Specimen Preparation

Centrifuge, separate serum from cells and send 1.0 mL serum in a screw capped plastic vial.

Alternate Specimen

Serum: Red top

Minimum Volume

0.3 mL

Transport Temperature

Refrigerated

Rejection Criteria

Hemolysis, Lipemia

Stability

Room temperature: 8 hours
Refrigerated: 14 days
Frozen: Undetermined

Methodology

Enzyme-linked Immunosorbent Assay (ELISA)
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Reference Range

<7 U/mL Negative
7-10 U/mL Equivocal
>10 U/mL Positive
more

Performing Laboratory

Warde Medical Laboratory
more

New York DOH Approval Status

Yes
more

Interface Map for RPP

Test Name Ordering Code Result Code Component Name LOINC Code AOE Prompt Units
Ribosomal P Protein IgG Abs3000957
3000957Ribosomal P Protein IgG AbsNo

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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