Coxsackie A9 Virus Antibodies by CF

0050503
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Example Reports
Negative
Positive

Ordering Recommendation

May be used to confirm disease occurrence if PCR or culture is not a viable option.

Mnemonic

COX A9

Methodology

Semi-Quantitative Complement Fixation

Performed

Sun-Sat

Reported

2-5 days

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation
Collect

Serum separator tube.

Specimen Preparation

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.

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Contaminated, hemolyzed, or severely lipemic specimens.

Remarks
Stability

After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)

Reference Interval

Less than 1:8

Interpretive Data

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.

Compliance Category

Standard

Note

Hotline History

View Hotline History

 

Hotline History

Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
08/16/2021
X
N/A

CPT Codes

86658

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Components

Component Test Code* Component Chart Name LOINC
0050503 Coxsackie A Serotype 9 Titer 9757-6
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Coxsackie A Ab Panel
  • Coxsackie A Antibodies
  • Enterovirus
Coxsackie A9 Virus Antibodies by CF