Reference Interval:
N. meningitidis A, C, W-135 and Y, IgG:
0.9 µg/mL or less: Antibody concentration not protective.
1.0-2.0 µg/mL: Equivocal.
2.1 µg/mL or greater: Antibody to Neisseria meningitidis detected. Suggestive of protection.
Responder status is determined according to the ratio of the one month post-vaccination concentration to pre-vaccination concentration of IgG antibodies to N. meningitidis (Types A, C, Y, and W-135) as follows:
1. If the one month post-vaccination concentration is less than 3.0 µg/mL, the patient is considered to be a non-responder.
2. If the one month post-vaccination concentration is greater than or equal to 3.0 µg/mL, a patient with a ratio of greater than or equal to 4 is a good responder, a ratio of 2-4 is a weak responder, and a ratio of less than 2 is considered a non-responder
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| Interpretive Data: |
Refer to Statement B under Testing Information at http://www.aruplab.com.
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| CPT Code(s): |
86741 x4
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Cross References: |
Neisseria meningitidis (Neisseria meningitidis Tetravalent Antibodies (Serogroups A, C, W-135 & Y), IgG
, Vaccine Resonse (Neisseria meningitidis Tetravalent Antibodies (Serogroups A, C, W-135 & Y), IgG)
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