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Test Code LAB798 Hepatitis A Virus Antibody (IgM)

Performing Laboratory

Asante Rogue Regional Medical Center

Specimen Minimum Volume

0.5 mL

Billing Code

2070225

Methodology

Chemiluminescence (CLIA)

Specimen Requirements

Yellow (Gold) top tube (SST)

Plain Red top tube

Day(s) Test Set Up

Test are ran Monday through Friday.

 

Positive results are called to physician

 

Positive results also require public health reporting and follow-up

Test Classification and CPT Coding

86709  -  Hepatitis A antibody (HAAb); IgM antibody

Additional Information

Differential diagnosis of hepatitis.  Presence of IgM antibody to hepatitis A virus is good evidence for acute hepatitis A.  The Hepatitis A Virus is primarily transmitted person-to-person via fecal contamination and oral ingestion, usually under conditions of poor personal hygiene.  Some Hepatitis A outbreaks have occurred in Day Care Centers, via restaurant food handlers and large picnics or pot lucks.


Note:  The Jackson County Health Department (or other health entities) may order STAT HAVMs in the interest of public health.   This needs to be clearly communicated to all parties:  laboratory information, ordering personnel, as well as testing personnel (see “Specimen Required”). Use orange JCHD State Hepatitis Form.

Reasons for Rejection

Hemolysis

Quantity not sufficient (QNS)

Lack of Two Patient Identifiers:

         1-Patient’s First & Last name 

         2-Patient’s Date of Birth

Performing Department

Chemistry

Specimen Transport Temperature and Stability

Centrifuge within 2 hours of collection

Stable at room temperature up to 8 hours

Serum stable 7 days refrigerated at 2° to 8° C

Freeze for longer storage