Transthyretin

General Information

Lab Name
Transthyretin (Pre_Albumin)
Lab Code
TTHY
Epic Name
Transthyretin (Pre-Albumin)
Synonyms
Prealbumin
Components

Interpretation

Method
Turbidimetric
Reference Range
Units: mg/dL
Female Male
AgeRange AgeRange
0-2m7.8-15.0 0-2m7.8-15.0
3m-7y12.0-28.0 3m-7y12.0-28.0
8y-14y15.0-37.0 8y-14y15.0-37.0
15y-69y18.0-39.0 15y-69y19.0-45.0
70y-80y18.0-39.0 70y-80y19.0-41.0
81y-15.0-35.0 81y-15.0-35.0

Effective date: 03/01/2015

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:  1 Full LIME GREEN MICROTAINER

Offsite Clinic or Other Locations:
Preferred:
  4 mL blood in GOLD SST tube
Also Acceptable:  4 mL blood in ORANGE RST, LIME GREEN PST, RED TOP or GREEN TOP tube
Pediatric:  1 Full LIME GREEN MICROTAINER
Handling Instructions
 The laboratory must process specimen within 2 hours of collection.
Quantity
Requested: 1 mL plasma/serum
Minimum: 0.3 mL plasma/serum

Processing

Receiving Instructions
Centrifuge and separate serum within 2 hours. 

Stability: 8 hours at room temp; 48 hours at 2 - 8°C. Long term storage at -20°C. Freeze/thaw samples once.
Misc Sendout

Performance

Lab Department
Chemistry, Automated Panels(CHA)
Frequency
Daily
Available STAT?
No
Performing Location(s)
HMC Chemistry, Automated
206-520-4600

325 9th Ave, Rm # GWH-47, Seattle, WA 98104-2420

UW-NW Main Lab
206-668-1344

UW Medical Center – Northwest
1550 N 115th Street, A200
Seattle, WA 98133

UW-MT Chemistry, Automated
206-520-4600

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

Billing & Coding

CPT Codes
84134
LOINC
6793-4
Interfaced Order Code
UOW1753
Interfaced Result Code
UOW1753