LOINCActiveObservation

LOINC Code 34471-3: Calcium bilirubinate crystals LM Ql (Bile)

34471-3 is a LOINC code used to identify Calcium bilirubinate crystals LM Ql (Bile) in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Calcium bilirubinate crystals. It is commonly used with the system or sample type Bil fld.

Reviewed by HealthAssure Clinical TeamUpdated 25 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Calcium bilirubinate crystals. It is commonly used with the system or sample type Bil fld.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Observation
  • Method: Microscopy.light

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Calcium bilirubinate crystals [Presence] in Bile fluid by Light microscopy
  • Calcium bilirubinate crystals
  • BIFL; Bile fluid; Biliary fluid; Ca; Ca Bilirub; Ca Bilirub Cry; Cal; Crys; Cryst; Crystal; HEMATOLOGY/CELL COUNTS; LM; Micro; Micros; Microscopic; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Calcium bilirubinate crystals LM Ql (Bile)Calcium bilirubinate crystals [Presence] in Bile fluid by Light microscopyCa Bilirub Cry Bifl Ql MicroCalcium bilirubinate crystalsHEM/BCCalcium bilirubinate crystals, BilePrThr

Frequently asked questions

Code details

Code34471-3
SystemLOINC
Display nameCalcium bilirubinate crystals LM Ql (Bile)
DescriptionCalcium bilirubinate crystals
Short nameCa Bilirub Cry Bifl Ql Micro
ComponentCalcium bilirubinate crystals
PropertyPrThr
TimingPt
System (specimen)Bil fld
ScaleOrd
MethodMicroscopy.light
ClassHEM/BC
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.10
Last changed2.73

Consumer names

Calcium bilirubinate crystals, Bile

Part names

Calcium bilirubinate crystalsPrThrPtBil fldOrdMicroscopy.lightPresence or ThresholdPoint in time (spot)Bile fluidLight microscopy

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 34471-3 | HealthAssure