Test Code LAB71 Immunoglobulin G (IgG)

Specimen Requirement

1.0 mL Serum; SST Tube Acceptable

Specimen Stability

7 days at 20-25° C

7 days at 2-8° C

6 months at -20° C

Testing Schedule

Daily

Reference Range

Age	Range (mg/dL)
0 – 4 months	100 – 344
5 – 8 months	164 – 588
9 – 14 months	246 – 904
15 – 24 months	313 – 1,170
2 – 3 years	295 – 1,156
4 – 6 years	386 – 1,470
7 – 9 years	462 – 1,682
10 – 12 years	503 – 1,719
13 – 15 years	509 – 1,580
16 – 17 years	487 – 1,327
>18 years	767 – 1,590

Testing Department

Chemistry

Method

Immunoturbidimetric assay

CPT codes

82784

Outpatient Turnaround Time

24 hours after receipt

Inpatient STAT Turnaround Time

Not Applicable

Inpatient Routine Turnaround Time

4 hours after receipt