91086 Entamoeba histolytica, Antibody, IgG

Specimen:

Collect:

One 7.5 mL SST

Submit:

1 mL (Min:0.5 mL) Serum. Submit Refrigerated. Submit in a Standard Transport Tube.

Also Acceptable
1 mL (Min:0.5 mL) Plasma. Submit Refrigerated. Submit in a Standard Transport Tube.

Special Handling:

Avoid Repeated Freeze/Thaw Cycles
Separate from cells ASAP
If acute and convalescent samples being submitted, label as such. Convalescent sample must be received in lab within 30 days.

Rejection Criteria:

Grossly Lipemic Samples
Hemolyzed specimens

Stability:

Ambient: 2 Day(s); Refrigerated: 2 Week(s); Frozen: 12 Month(s); Incubated: Unacceptable

Methodology:

Enzyme-Linked ImmunoSorbent Assay (ELISA)

Performed:

Tuesday, Friday

Reported:

3-5 Day(s)

CPT Codes:

86753 - Protozoa Antibody

Interpretive Data:


Reference Interval: 0.79 IV or less: Negative - No significant level of detectable E.histolytica IgG antibody 0.80-1.19 IV: Equivocal - Repeat testing in 10-14 days maybe helpful 1.20 IV or greater: Positive - IgG antibody to E. histolytica detected, suggestive of a current or past infection. Seroconversion between acute and convalescent sera is considered strong evidence of recent infection