Haemophilus influenzae Type B Antibody, (IgG)

Haemophilus Influenzae Type b Antibody, IgG, Haemophilus Influenzae Type B Antibody IgG, Serum

Test Codes

EPIC: LAB1232100, Beaker: HIB B IGG, Quest: 35135

Department

Send Outs

Specimen Collection Criteria

Collect (preferred specimen): One Gold-top SST tube.

Also acceptable: One plain Red-top tube.

Physician Office/Draw Specimen Preparation

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells. Transfer serum to plastic transport tube and maintain at room temperature (20-26°C or 68-78.8°F) prior to transport.

Preparation for Courier Transport

Transport: 1.0 mL serum, room temperature at (20-26°C or 68-78.8°F). (Minimum: 0.2 mL)

Rejection Criteria

• Hemolyzed specimens.
• Severely lipemic specimens.
• Specimens not collected and processed as indicated.

In-Lab Processing

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells. Transfer serum to plastic transport tube and maintain at room temperature (20-26°C or 68-78.8°F).

Transport: 1.0 mL serum, room temperature at (20-26°C or 68-78.8°F). (Minimum: 0.2 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 7 days
Refrigerated (2-8°C or 36-46°F): 14 days
Frozen (-20°C/-4°F or below): 30 days

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to Quest Diagnostics, Wood Dale, IL.

Performed

Tuesday, Thursday, Saturday.
Results available in 2-5 days.

Reference Range

≥1.00 mcg/mL
Interpretive Criteria

<0.15 mcg/mL	Nonprotective antibody level
0.15-0.99 mcg/mL	Indeterminate for protective antibody
≥1.00 mcg/mL	Protective antibody level

Test Methodology

Enzyme Immunoassay (EIA)

Interpretation

By report.

Clinical Utility

Haemophilus influenzae Type B Antibody (IgG) – Haemophilus influenzae is a gram-negative bacteria that is present in approximately three-quarters of children and adults. In infants and young children, haemophilus influenzae, especially type B, may cause bacteremias and meningitis. In children and older individuals haemophilus influenzae may cause respiratory tract infections.

CPT Codes

86684

Contacts

Last Updated

12/17/2025