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Lab Test Reference Manual
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Lab Test Reference Manual
Human Reference Manual
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22301
Antibody Titer
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Site Contents
Antibody Titer
Test Code: BBTITER
Overview
Ordering
Specimen
Performing
Clinical/Interpretive
Contacts
Coding
Synonyms/Keywords
Synonyms, Keywords
Indirect Coombs Antibody Titer, Prenatal Titer, Antibody Titration, Titration studies, BBTITER, ABSC
Test Components
Test Components
Titer, ABSC, Antibody Identification, Antigen Typing
Useful For
Useful For
Antibody Titer can assist in the diagnosis and management of HDFN (Hemolytic Disease of the Fetus and Newborn). When a prenatal patient has a positive antibody screen and the antibody specificity is either anti-D or other clinically significant IgG antibodies known to cause HDFN, titration studies are performed to determine the relative amount of the antibody. A clinically significant titer is generally considered to be 16 or higher, depending on the antibody specificity and institution.
Specimen Requirements
Specimen Requirements
Fasting Required
Specimen Type
Preferred Container/Tube
Acceptable Container/Tube
Specimen Volume
Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
No
Whole blood
Two 6 mL EDTA
Pink Top Tubes
(PTT)
Four 3 mL EDTA Lavender Top Tubes (LTT)
OR
Two 6 mL Red Top Tubes (RTT)
Two 6 mL
6.0 mL
Collection Processing Instructions
Collection Processing
Indicate in Comment of test “Antibody Titer" and specificity of antibody, if known (e.g. “Antibody Titer; Anti-c").
Specimen Stability Information
Specimen Stability Information
Specimen Type
Temperature
Time
Whole blood/serum
Refrigerate
<10 days old
Rejection Criteria
Rejection Criteria
Serum separator tubes (SST)
Frozen-if ABSC ordered
Hemolyzed
Performing Laboratory Information
Performing Laboratory Information
Performing Location
Day(s) Test Performed
Analytical Time
Methodology/Instrumentation
Marshfield
Monday through Sunday
2-4 hours
Serological
Test Information
Test Information
An antibody screen may be performed to determine the presence of atypical antibodies. If positive, antibody identification and antigen typing will be performed as part of confirmatory testing
.
Reference Range Information
Reference Range Information
Performing Location
Reference Range
Marshfield
No reference ranges are available.
Outreach CPTs
Outreach CPT Codes
CPT
Modifier
(if needed)
Quantity
Description
Comments
86886
Titer
86850
ABSC
86905
AGPAT
86077
CONSULT
Synonyms/Keywords
Synonyms, Keywords
Indirect Coombs Antibody Titer, Prenatal Titer, Antibody Titration, Titration studies, BBTITER, ABSC
Test Components
Test Components
Titer, ABSC, Antibody Identification, Antigen Typing
Ordering Applications
Ordering Applications
Ordering Application
Description
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Specimen Requirements
Fasting Required
Specimen Type
Preferred Container/Tube
Acceptable Container/Tube
Specimen Volume
Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
No
Whole blood
Two 6 mL EDTA
Pink Top Tubes
(PTT)
Four 3 mL EDTA Lavender Top Tubes (LTT)
OR
Two 6 mL Red Top Tubes (RTT)
Two 6 mL
6.0 mL
Collection Processing
Collection Processing
Indicate in Comment of test “Antibody Titer" and specificity of antibody, if known (e.g. “Antibody Titer; Anti-c").
Specimen Stability Information
Specimen Stability Information
Specimen Type
Temperature
Time
Whole blood/serum
Refrigerate
<10 days old
Rejection Criteria
Rejection Criteria
Serum separator tubes (SST)
Frozen-if ABSC ordered
Hemolyzed
Useful For
Useful For
Antibody Titer can assist in the diagnosis and management of HDFN (Hemolytic Disease of the Fetus and Newborn). When a prenatal patient has a positive antibody screen and the antibody specificity is either anti-D or other clinically significant IgG antibodies known to cause HDFN, titration studies are performed to determine the relative amount of the antibody. A clinically significant titer is generally considered to be 16 or higher, depending on the antibody specificity and institution.
Test Components
Test Components
Titer, ABSC, Antibody Identification, Antigen Typing
Reference Range Information
Reference Range Information
Performing Location
Reference Range
Marshfield
No reference ranges are available.
For more information visit:
http://labtestsonline.org
Performing Laboratory Information
Performing Laboratory Information
Performing Location
Day(s) Test Performed
Analytical Time
Methodology/Instrumentation
Marshfield
Monday through Sunday
2-4 hours
Serological
For billing questions, see Contacts
Outreach CPTs
Outreach CPT Codes
CPT
Modifier
(if needed)
Quantity
Description
Comments
86886
Titer
86850
ABSC
86905
AGPAT
86077
CONSULT
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For most current information refer to the Marshfield Laboratory online reference manual.