LOINCActiveBoth

LOINC Code 17697-4: Tetrachloroethane (Bld) [Mass/Vol]

17697-4 is a LOINC code used to identify Tetrachloroethane (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 Tetrachloroethane. 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 Tetrachloroethane. 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

  • Tetrachloroethane [Mass/volume] in Blood
  • Tetrachloroethane
  • 1,1,2,2-tetrachloroethane; 1,1-dichloro-2,2-dichloroethane; Acetylene tetrachloride; Blood; Dichloro-2,2-dichloroethane; DRUG/TOXICOLOGY; Drugs; 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

Tetrachloroethane (Bld) [Mass/Vol]Tetrachloroethane [Mass/volume] in BloodTetrachloroethane Bld-mCncTetrachloroethaneDRUG/TOXTetrachloroethane, BloodMCnc

Frequently asked questions

Code details

Code17697-4
SystemLOINC
Display nameTetrachloroethane (Bld) [Mass/Vol]
DescriptionTetrachloroethane
Short nameTetrachloroethane Bld-mCnc
ComponentTetrachloroethane
PropertyMCnc
TimingPt
System (specimen)Bld
ScaleQn
ClassDRUG/TOX
Example unitsug/L
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.73

Consumer names

Tetrachloroethane, Blood

Part names

TetrachloroethaneMCncPtBldQnMass 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 17697-4 | HealthAssure