Thyroxine-Binding Globulin

Thyroxine-Binding Globulin is a topic covered in the Davis's Lab & Diagnostic Tests.

To view the entire topic, please or purchase a subscription.

Nursing Central is the award-winning, complete mobile solution for nurses and students. Look up information on diseases, tests, and procedures; then consult the database with 5,000+ drugs or refer to 65,000+ dictionary terms. Explore these free sample topics:

Nursing Central

-- The first section of this topic is shown below --

Synonym/Acronym:
TBG.

Rationale
To evaluate thyroid hormone levels related to deficiency or excess to assist in diagnosing disorders such as hyperthyroidism and hypothyroidism.

Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction.

Normal Findings
Method: Immunochemiluminometric assay (ICMA).

AgeConventional UnitsSI Units (Conventional Units × 10)
0–1 wk3–8 mg/dL30–80 mg/L
1–12 mo1.6–3.6 mg/dL16–36 mg/L
14–19 yr1.2–2.5 mg/dL12–25 mg/L
Greater than 20 yr1.3–3.3 mg/dL13–33 mg/L
Pregnancy, third trimester4.7–5.9 mg/dL47–59 mg/L
Oral contraceptives1.5–5.5 mg/dL15–55 mg/L

Critical Findings and Potential Interventions
N/A

-- To view the remaining sections of this topic, please or purchase a subscription --