All tests · Liver Function (LFTs)
Liver Function (LFTs)
Normal range 0-0.3 mg/dL (0-5.1 µmol/L SI). Specimen: Serum.
Also known as: conjugated bilirubin, Dbili.
Combined adult band. LabVals does not publish separate men's, women's, or pediatric ranges for Bilirubin, Direct (Conjugated); those can be narrower than the band shown.
| Specimen | Serum |
|---|---|
| Conventional range | 0-0.3 mg/dL |
| SI range | 0-5.1 µmol/L |
| Conversion factor | ×17.1 (conventional → SI) |
| Panel | Liver Function (LFTs) |
Convert any Bilirubin, Direct (Conjugated) result between units on the unit converter.
The standard teaching reference range for Bilirubin, Direct (Conjugated) is 0-0.3 mg/dL in conventional units, or 0-5.1 µmol/L in SI units. This value is measured in serum.
Source: Adult reference values compiled from Pagana & Pagana, Mosby's Diagnostic and Laboratory Test Reference, and Fischbach & Dunning, A Manual of Laboratory and Diagnostic Tests. Reference ranges vary by laboratory, method, age, sex, and population - always use the range printed on the actual result.
Above the range
What causes a high Bilirubin, Direct (Conjugated)? Read as its own page
At the bedside
You have the Bilirubin, Direct (Conjugated) range. Premium unlocks the 9-card Liver Function (LFTs) flashcard deck with mastery tracking, study sheets that put several panels on one printable page, and unlimited practice across all 440 quiz questions - the free round stops at 10 a day.
Same panel