LOINCBoth

LOINC Code 26902-7: Doxycycline Qn (Specimen)

26902-7 is a LOINC code used to identify Doxycycline Qn (Specimen) 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 Doxycycline. It is commonly used with the system or sample type XXX.

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 Doxycycline. It is commonly used with the system or sample type XXX.

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: DISCOURAGED
  • Order vs observation: Both

What it does not mean

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

Key facts

  • Doxycycline [Units/volume] in Specimen
  • Doxycycline
  • Arbitrary concentration; c206; c216; DRUG/TOXICOLOGY; Drugs; Misc; Miscellaneous; Other; Point in time; QNT; Quan; Quant; Quantitative; Random; Spec; To be specified in another part of the message; Unspecified; Vibramycin

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

Doxycycline Qn (Specimen)Doxycycline [Units/volume] in SpecimenDoxycycline Spec-aCncDoxycyclineDRUG/TOXDoxycycline, SpecimenACnc

Frequently asked questions

Code details

Code26902-7
SystemLOINC
Display nameDoxycycline Qn (Specimen)
DescriptionDoxycycline
Short nameDoxycycline Spec-aCnc
ComponentDoxycycline
PropertyACnc
TimingPt
System (specimen)XXX
ScaleQn
ClassDRUG/TOX
StatusDISCOURAGED
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.73

Consumer names

Doxycycline, Specimen

Part names

DoxycyclineACncPtXXXQnArbitrary ConcentrationPoint in time (spot)

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 26902-7 | HealthAssure