Test directory: Immunoglobulin G Subclass 4

Ordering Code 5153
Test Name Immunoglobulin G Subclass 4
Alias IgG 4
IgG Subclass 4
Gamma-globulins 4
Preferred Specimen Serum
Preferred Container SST (Gold)
Optimum Volume 1 mL
Handling Instructions Separate serum from cells ASAP or within 2 hours of collection.
Transport Requirements Oahu: Refrigerated
Airline: Refrigerated
Specimen Stability Ambient: 2 Hours
Refrigerated: 8 Days
Frozen: 6 Months
Rejection Criteria Plasma
Avail. Stat NO
Analytic Time Up to 6 Days
Methodology Quantitative Nephelometry
Reference Lab  ARUP Laboratories

Reference range(s)

The reference ranges listed below are valid on this date of June 29, 2025.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
Immunoglobulin G Subclass 4 ALL mg/dL

Effective ...
Effective February 16, 2016:
Cord blood: 1-47 mg/dL          5-6 years: 2-116 mg/dL
0-2 months: 1-33 mg/dL          7-8 years: 0-138 mg/dL
3-5 months: 1-14 mg/dL          9-10 years: 1-95 mg/dL
6-8 months: 1-16 mg/dL          11-12 years: 1-153 mg/dL
9-23 months: 1-65 mg/dL         13-14 years: 2-143 mg/dL
2 years: 0-120 mg/dL            15 years and older: 1-123 mg/dL
3-4 years: 0-90 mg/dL

See report.
Note1

Note1:


Effective February 16, 2016:
Cord blood: 1-47 mg/dL          5-6 years: 2-116 mg/dL
0-2 months: 1-33 mg/dL          7-8 years: 0-138 mg/dL
3-5 months: 1-14 mg/dL          9-10 years: 1-95 mg/dL
6-8 months: 1-16 mg/dL          11-12 years: 1-153 mg/dL
9-23 months: 1-65 mg/dL         13-14 years: 2-143 mg/dL
2 years: 0-120 mg/dL            15 years and older: 1-123 mg/dL
3-4 years: 0-90 mg/dL

See report..