T3 (Triiodothyronine), Total (Beckman)

General Information

Lab Name

T3 (Triiodothyronine), Total (Beckman)

Lab Code

T3

Description

This test has been replaced by T3 (Triiodothyronine), Total [T3G]

Synonyms

T3, T3-Total, thyroid function

Interpretation

Method

Chemiluminescence

Reference Range

Units: ng/dL
Female Male Unknown
AgeRange AgeRange AgeRange
0-73-178 0-73-178 0-73-178

Effective date: 09/19/2006

Interferences and Limitations

Biotin supplements can cause falsely elevated values. See Limitations of Laboratory Testing for details.

Ordering & Collection

Specimen Type

Blood

Collection

HMC and UW-MT Onsite Locations:

Preferred: 4 mL blood in LIME GREEN PST tube

Also Acceptable: 4 mL blood in ORANGE RST, GOLD SST, RED TOP or GREEN TOP tube

Pediatric, Preferred: 1 Full LIME GREEN MICROTAINER

Pediatric, Also Acceptable:1 Full GOLD MICROTAINER Unacceptable: LAVENDER TOP

Offsite Clinic or Other Locations:

Preferred: 4 mL blood in GOLD SST tube

Also Acceptable: 4 mL blood in ORANGE RST or LIME GREEN PST, RED TOP or GREEN TOP tube

Pediatric, Preferred: 1 Full LIME GREEN MICROTAINER

Pediatric, Also Acceptable:1 Full GOLD MICROTAINER Unacceptable: LAVENDER TOP

Quantity

requested: 1 mL serum/plasma
minimum: 0.5 mL serum/plasma

Processing

Refrigerate serum/plasma.

Stability: Room Temperature: 8 hours; 2-8°C: 48 hours; >48 hours:Freeze at -20°C. Thaw sample only once

Performance

LIS Dept Code

Chemistry, Automated Panels (CHA)

Performing Location(s)

UW-MT Chemistry, Automated
206-520-4600

Clinical Lab, Room NW220,
University of Washington Medical Center,
1959 NE Pacific street, Seattle, WA 98195

Frequency

Daily

Available STAT?

No

Billing & Coding

CPT codes

84480

LOINC

3053-6

Interfaced Order Code

UOW1749

Interfaced Result Code

UOW1749