LOINCActiveBoth

LOINC Code 66441-7: Beta hydroxybutyrate Test strip (Bld) [Moles/Vol]

66441-7 is a LOINC code used to identify Beta hydroxybutyrate Test strip (Bld) [Moles/Vol] 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 Beta hydroxybutyrate. It is commonly used with the system or sample type Bld.

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 Beta hydroxybutyrate. It is commonly used with the system or sample type Bld.

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: Both
  • Method: Test strip

What it does not mean

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

Key facts

  • Beta hydroxybutyrate [Moles/volume] in Blood by Test strip
  • Beta hydroxybutyrate
  • The submitter's request for this code was to cover the use of a test strip from Abbot's Precision Xceed Pro Blood Glucose and B-Ketone Monitoring System, which is a test strip method for measuring beta-hydroxybuturate in whole blood via a reader. However, this code is meant to be applied to any analogous test strip method for measuring beta-hydroxybuturate in blood.
  • 3-hydroxybutyrate; 3-hydroxybutyric acid; B; Beta hydroxy butyrate; Beta hydroxybutyric acid; Betahydroxybutyrate; Betahydroxybutyric acid; BHB; Blood; BOHB; B-OH-Butyr; Chemistry; Dip stick; Dipstick; Hydroxybutyric acid; Level; Point in time; Random; SmQn; Substance Concentration; WB; Whole blood

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

Beta hydroxybutyrate Test strip (Bld) [Moles/Vol]Beta hydroxybutyrate [Moles/volume] in Blood by Test stripB-OH-Butyr Bld Strip-sCncBeta hydroxybutyrateCHEMBeta hydroxybutyrate, BloodSCnc

Frequently asked questions

Code details

Code66441-7
SystemLOINC
Display nameBeta hydroxybutyrate Test strip (Bld) [Moles/Vol]
DescriptionBeta hydroxybutyrate
Short nameB-OH-Butyr Bld Strip-sCnc
ComponentBeta hydroxybutyrate
PropertySCnc
TimingPt
System (specimen)Bld
ScaleSemiQn
MethodTest strip
ClassCHEM
Example unitsmmol/L
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.38
Last changed2.75

Consumer names

Beta hydroxybutyrate, Blood

Part names

Beta hydroxybutyrateSCncPtBldSemiQnTest stripSubstance ConcentrationPoint in time (spot)Blood

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 66441-7 | HealthAssure