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Test Code CATTH Cold Agglutinin Titer, Serum

Useful For

Detection of cold agglutinins in patients with suspected cold agglutinin disease

Special Instructions

Method Name

Titration

Red Cell Agglutination at 4 Degrees C

Reporting Name

Cold Agglutinin Titer

Specimen Type

Serum Red


Advisory Information


For diagnosis of Mycoplasma pneumoniae infection, see MYCPN / Mycoplasma pneumoniae Antibodies, IgG and IgM, Serum.



Specimen Required


Container/Tube: Red top

Submission Container/Tube: Aliquot tube

Specimen Volume: 4 mL

Pediatric: 2 mL

Collection Instructions:

1. Use a warm pack to keep specimen at 37° C prior to and after collecting.

2. Allow specimen to clot at 37° C.

3. Centrifuge at 37° C and separate serum from red cells immediately after blood clots.

4. Do not refrigerate prior to separation of serum from red cells.


Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Red Refrigerated (preferred)
  Ambient 
  Frozen 

Reject Due To

Hemolysis

NA

Lipemia

NA

Icterus

NA

Other

Serum gel tube

 

Reference Values

<1:64

Day(s) and Time(s) Performed

Monday through Friday, Sunday; Continuously

Analytic Time

1 day

Performing Laboratory

Mayo Medical Laboratories in Rochester

Test Classification

This test uses a standard method. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information

86157

LOINC Code Information

Test ID Test Order Name Order LOINC Value
CATTH Cold Agglutinin Titer In Process

 

Result ID Test Result Name Result LOINC Value
CATTH Cold Agglutinin Titer 14658-9

Forms

New York Clients-Informed consent is required. Please document on the request form or electronic order that a copy is on file. An Informed Consent for Genetic Testing (T576) is available in Special Instructions.