Test performed at:

Immunoglobulins (IgG, IgA, IgM)
Test Name Immunoglobulins (IgG, IgA, IgM)
Specimen Type / Requirements Container Type = 1 Gold Top (SST) Minimum Testing Volume = 0.5 ml serum Tube must fill to at least ½ or greater of its vacuum capacity
Specimen Handling Collection Instructions: Collected sample in serum or heparinized plasma tube with or without gel separator. Write your initials, date and time of collection on the collection label. Special Instructions: Separate serum or plasma from cells within 2 hours of collection. Rejection Criteria: Grossly hemolyzed, unlabeled orsamples of non sufficient quantity. Avoid repeat freeze/Thaw cycles. Stability: Stable at 2-8°C for 14 days or at ≤-20°C for 6 months. Transportation: Send sample to core lab as soon as possible.
Required Documentation
Turnaround Time (TAT) 24 hours
Reference Value IgA (Male and Female) 0 d - 1 yr: 0 - 0.3 g/L 1 - 2 yrs: 0 - 0.9 g/L 3 - 5 yrs: 0.3 - 1.6 g/L 6 - 13 yrs: 0.5 - 2.3 g/L 14 - 18 yrs: 0.5 - 3.1 g/L 19+ yrs: 0.66 - 4.33 g/L IgG: (Male and Female) 0 d - 14 d: 3 - 13.6 g/L 15 d - 1 yr: 1.0 - 6.8 g/L 1 - 3 yrs: 3.0 - 11.2 g/L 4 - 9 yrs: 5.2 - 13.2 g/L 10 - 18 yrs: 6.4 - 14.9 g/L 19+ yrs: 6.35 - 17.41 g/L	IgM (Male and Female) 0 d - 14 d: 0.2 - 0.4 g/L 15 d - 90 d: 0.2 - 0.7 g/L 90 d - 1 yr: 0.3 - 0.9 g/L 1 - 18 yrs: 0.6 - 1.8 g/L 19+ yrs: 0.35 - 2.81 g/L
Test Code IG3	Methodology Immunoturbidimetric
Testing Location SMH-Biochemistry	Other Information Last Updated: July 14, 2026

Immunoglobulins (IgG, IgA, IgM)

Test Name

Immunoglobulins (IgG, IgA, IgM)

Specimen Type / Requirements

Container Type = 1 Gold Top (SST)

Minimum Testing Volume = 0.5 ml serum

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Collected sample in serum or heparinized plasma tube with or without gel separator. Write your initials, date and time of collection on the collection label.

Special Instructions: Separate serum or plasma from cells within 2 hours of collection.

Rejection Criteria: Grossly hemolyzed, unlabeled orsamples of non sufficient quantity. Avoid repeat freeze/Thaw cycles.

Stability: Stable at 2-8°C for 14 days or at ≤-20°C for 6 months.

Transportation: Send sample to core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

24 hours

Reference Value

IgA (Male and Female)
0 d - 1 yr: 0 - 0.3 g/L
1 - 2 yrs: 0 - 0.9 g/L
3 - 5 yrs: 0.3 - 1.6 g/L
6 - 13 yrs: 0.5 - 2.3 g/L
14 - 18 yrs: 0.5 - 3.1 g/L
19+ yrs: 0.66 - 4.33 g/L

IgG: (Male and Female)
0 d - 14 d: 3 - 13.6 g/L
15 d - 1 yr: 1.0 - 6.8 g/L
1 - 3 yrs: 3.0 - 11.2 g/L
4 - 9 yrs: 5.2 - 13.2 g/L
10 - 18 yrs: 6.4 - 14.9 g/L
19+ yrs: 6.35 - 17.41 g/L

IgM (Male and Female)
0 d - 14 d: 0.2 - 0.4 g/L
15 d - 90 d: 0.2 - 0.7 g/L
90 d - 1 yr: 0.3 - 0.9 g/L
1 - 18 yrs: 0.6 - 1.8 g/L
19+ yrs: 0.35 - 2.81 g/L

Test Code

IG3

Methodology

Immunoturbidimetric

Testing Location

SMH-Biochemistry

Other Information

Last Updated: July 14, 2026