IgG subclasses

Referred to Berkshire & Surrey Pathology Services, Frimley Park Hospital NHS Foundation Trust, Portsmouth Road, Frimley, Surrey GU16 7UJ
 

Alternative names, keywords

IgG1, IgG2, IgG3, IgG4

Samples required

Clotted blood (gold cap, 5 mL tube). Smaller tubes are available for paediatric samples.

Test indications

  

Reference range
Age

IgG 1 (g/L)

IgG 2 (g/L)

IgG 3 (g/L)

IgG 4 (g/L)

up to 6 months

1.5 - 3.0

0.3 - 0.5

0.1 - 0.6

 < 0.5

up to 2 years

2.3 - 5.8

0.3 - 3.9

0.1 - 0.8

< 0.5

up to 5 years

2.3 - 6.4

0.7 - 4.5

0.1 - 1.1

< 0.8

up to 10 years

3.6 - 7.3

1.4 - 4.5

0.3 - 1.1

< 1.0

up to 15 years

3.8 - 7.7

1.3 - 4.6

 0.2 - 1.2 < 1.1

Adult

3.2 - 10.2

1.2 - 6.6

0.2 - 1.9

 < 1.3

 

Turnaround time

Referral lab quotes turnaround time of 6 days, however additional time must be allowed for packing, dispatch and delivery of sample, and return and processing of results.

Enquiries

Biochemistry (Referrals)

 

Details