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Test Code CARPA Cardiolipin (Phospholipid) Antibodies, IgG, IgM

Important Note

Used to aid in diagnosis of antiphospholipid syndrome (APS) as well as thrombotic disorders related to secondary antiphospholipid syndrome.

Additional Codes

Ordering Mnemonic
CARPA

 

Methodology

Fluoroenzyme Immunoassay

 

Profile Information:

Cardiolipin IgG
Cardiolipin IgM

 

Performing Laboratory

Holland Hospital Laboratory Services

Specimen Requirements

Submit only 1 of the following specimens:

 

Preferred Specimen-Serum

Container/Tube: Serum gel (SST) tube

Specimen Volume: 1 mL of serum

Collection Instructions:

Note: 1. Indicate serum.

2. Label specimen appropriately (serum).

 

Alternate specimens-Plasma

Container/Tube: Mint-top (lithium heparin) tube

Specimen Volume: 1 mL of plasma

Collection Instructions:

Note: 1. Indicate plasma.

2. Label specimen appropriately (plasma).

 

Container/Tube: Lavendar-top (EDTA) tube

Specimen Volume: 1 mL of plasma

Collection Instructions:

Note: 1. Indicate plasma.

2. Label specimen appropriately (plasma).

 

Container/Tube: Blue-top (sodium citrate) tube

Specimen Volume: 1 mL of plasma

Collection Instructions:

Note: 1. Indicate plasma.

2. Label specimen appropriately (plasma).

 

 

Specimen Transport Temperature

Refrigerate; Freeze if >48 hrs.

Day(s) Test Set Up

Wednesday and Friday

Test Classification and CPT Coding

82947 x2 (HH Bill Code 0205627)

Reference Values

Negative for Cardiolipin <10 GPL-U/mL

Equivocal for Cardiolipin 10-40 GPL-U/mL

Positive for Cardiolipin >40 GPL-U/mL