Feb 5, 2018




Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Chemistry


Haptoglobin (XHAPT) Chemistry Lab Test

Name: Haptoglobin

Test Name: Haptoglobin

Health Link Test Code: XHAPT

LIS Test Code: HAPT

CPT Code(s): 83010

Methodology: Immunoturbidimetry

Clinical Information:

Haptoglobin is decreased or absent in red blood cell hemolysis, genetic absence, cirrhosis (decreased synthesis)and protein loss via the kidney, gastrointestinal tract and skin.


Haptoglobin is an acute phase reactant and increased levels are observed by 4 days after onset and may require 4 weeks to return to normal. It is increased in obstructive biliary disease, acute or subacute inflammation, steroid or androgen therapy, aplastic anemia and diabetes mellitus.

Days Performed: Daily, 24 hours.

In-Lab Turnaround Time: 4 hours.

Stat In-Lab Turnaround Time: 1 hour.

Specimen: Blood

Collection Container: Green cap with yellow ring (PST)

Also Acceptable: Green top, Red cap with yellow ring (SST), Red top

Collection Volume: 1 mL

Pediatric Collection Volume: 0.4 mL

Stability Refridgerated:

7 days

Stability Frozen:

2 weeks

Sample Analyzed: Plasma or serum

Testing Volume: 0.5 mL

Pediatric Testing Volume: 0.2 mL

Specimen Processing:

Centrifuge. If a complete barrier has not formed, transfer cell-free plasma/serum to plastic vial. Refrigerate.

Specimen Transport:

Transport specimen to the laboratory. Transport with coolant pack if coming from clinic location.

Unacceptable Criteria:

Hemolyzed specimens are not acceptable.


Age: Male (mg/dL) Female (mg/dL)
0-1 year 0-300 0-235
2-12 years 3-270 11-220
13-59 years 14-258 35-250
60 years and up 40-268 63-273


Interpretation Type: Reference Interval