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Bilirubin, Total and Direct

CPT 82247; 82248
Synonyms
  • Bilirubin, Total, Conjugated, and Unconjugated

Test Details

Methodology

Colorimetric

Result Turnaround Time

Within 1 day

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

Related Documents

Test Includes

Bilirubin, conjugated (direct); bilirubin, indirect; bilirubin, total

Use

Liver and biliary tests are useful in the differential diagnosis of jaundice from bilirubin overproduction (hemolysis), decreased uptake (Gilbert disease), decreased conjugation (hepatocellular disease, familial, drug-induced, pregnancy; obstructive bile duct disease).

Specimen Requirements

Specimen

Serum (preferred) or plasma

Volume

3 mL

Minimum Volume

1 mL (Note: This volume does not allow for repeat testing.)

Container

Red-top tube, gel-barrier tube, or green-top (lithium heparin) tube

Collection Instructions

Separate serum or plasma from cells within 45 minutes of collection.

Stability Requirements

Temperature

Period

Room temperature

2 days

Refrigerated

3 days

Frozen

14 days

Freeze/thaw cycles

Stable x2

Storage Instructions

Refrigerate

Causes for Rejection

Severe hemolysis; improper labeling; severe lipemia

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
001214 Bilirubin, Total/Direct, Serum 34543-9 001099 Bilirubin, Total mg/dL 1975-2
001214 Bilirubin, Total/Direct, Serum 34543-9 001222 Bilirubin, Direct mg/dL 1968-7
001214 Bilirubin, Total/Direct, Serum 34543-9 011247 Bilirubin, Indirect mg/dL 1971-1
Order Code001214
Order Code NameBilirubin, Total/Direct, Serum
Order Loinc34543-9
Result Code001099
Result Code NameBilirubin, Total
UofMmg/dL
Result LOINC1975-2
Order Code001214
Order Code NameBilirubin, Total/Direct, Serum
Order Loinc34543-9
Result Code001222
Result Code NameBilirubin, Direct
UofMmg/dL
Result LOINC1968-7
Order Code001214
Order Code NameBilirubin, Total/Direct, Serum
Order Loinc34543-9
Result Code011247
Result Code NameBilirubin, Indirect
UofMmg/dL
Result LOINC1971-1