IgG Subclass 4 | Cleveland Clinic Laboratories

IgG Subclass 4 Print

Test Mnemonic

IGG4

CPT Codes

82787 - QTY (1)

LOINC ^®

2469-5

Aliases

Immunoglobulin G subclass 4

Includes

IgG Subclass 4

Performing Laboratory

Cleveland Clinic Laboratories

Specimen Requirements

Volume	Type	Container	Collect Temperature	Transport Temperature	Special Instructions
1 mL	Serum	SST (Gold)		Refrigerated

Minimum Specimen Requirements

Volume	Type	Container	Collect Temperature	Transport Temperature	Special Instructions
0.5 mL

Stability

Environmental Condition	Description
Ambient	24 hours
Refrigerated	8 days
Frozen	30 days

Days Performed

Mon - Fri

Turnaround Time

1 - 4 days

Methodology

Name	Description
Turbidimetry (TURB)

Reference Range

IgG Subclass 4
Sex	Age From	Age To	Type	Range	Range Unit
	Years	2 Years	Normal	0.5 - 78.4	mg/dL
	2 Years	4 Years	Normal	1.0 - 53.7	mg/dL
	4 Years	6 Years	Normal	1.8 - 112.5	mg/dL
	6 Years	8 Years	Normal	0.4 - 99.2	mg/dL
	8 Years	10 Years	Normal	1.9 - 93.2	mg/dL
	10 Years	12 Years	Normal	1.6 - 115.0	mg/dL
	12 Years	14 Years	Normal	3.7 - 136.0	mg/dL
	14 Years	18 Years	Normal	11.0 - 157.0	mg/dL
	18 Years	99 Years	Normal	3.9 - 86.4	mg/dL