May be used to confirm disease occurrence if PCR or culture is not a viable option.
Semi-Quantitative Complement Fixation
New York DOH Approval Status
Serum separator tube.
Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.3 mL) Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens. Mark specimens plainly as acute or convalescent.
Contaminated, hemolyzed, or severely lipemic specimens.
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
Less than 1:8
Single positive antibody titers of greater than 1:32 may indicate past or current infection. Seroconversion or an increase in titers between acute and convalescent sera of at least fourfold is considered strong evidence of current or recent infection.
|Component Test Code*||Component Chart Name||LOINC|
|0050503||Coxsackie A Serotype 9 Titer||9757-6|
- Coxsackie A Ab Panel
- Coxsackie A Antibodies