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LOINC Code 29292-0: Hydrogen sulfide (Bld) [Mass/Vol]

29292-0 is a LOINC code used to identify Hydrogen sulfide (Bld) [Mass/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 Hydrogen sulfide. It is commonly used with the system or sample type Bld.

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 Hydrogen sulfide. 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

What it does not mean

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

Key facts

  • Hydrogen sulfide [Mass/volume] in Blood
  • Hydrogen sulfide
  • Blood; DRUG/TOXICOLOGY; Drugs; H2; H2S; Hyd; Level; Mass concentration; Point in time; QNT; Quan; Quant; Quantitative; Random; 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

Hydrogen sulfide (Bld) [Mass/Vol]Hydrogen sulfide [Mass/volume] in BloodHydrogen Sulfide Bld-mCncHydrogen sulfideDRUG/TOXHydrogen sulfide, BloodMCnc

Frequently asked questions

Code details

Code29292-0
SystemLOINC
Display nameHydrogen sulfide (Bld) [Mass/Vol]
DescriptionHydrogen sulfide
Short nameHydrogen Sulfide Bld-mCnc
ComponentHydrogen sulfide
PropertyMCnc
TimingPt
System (specimen)Bld
ScaleQn
ClassDRUG/TOX
Example unitsmg/dL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.03
Last changed2.42

Consumer names

Hydrogen sulfide, Blood

Part names

Hydrogen sulfideMCncPtBldQnMass 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.