LOINCActiveObservation

LOINC Code 25223-9: Doxycycline Method for Slow-growing mycobacteria.antibiotic concentration at 30.0 ug/mL [Susc]

25223-9 is a LOINC code used to identify Doxycycline Method for Slow-growing mycobacteria.antibiotic concentration at 30.0 ug/mL [Susc] 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 Isolate.

Reviewed by HealthAssure Clinical TeamUpdated 21 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 Isolate.

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: Method for Slow-growing mycobacteria.antibiotic concentration at 30.0 ug/mL

What it does not mean

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

Key facts

  • Doxycycline [Susceptibility] by Method for Slow-growing mycobacteria.antibiotic concentration at 30.0 ug/mL
  • Doxycycline
  • AFB; ANTIBIOTIC SUSCEPTIBILITIES; AST; c206; c216; Cnc; Conc; ID; Infectious Disease; InfectiousDisease; Islt; Isol; mcg; Myco; Mycobacteria susceptibility; Mycobacterial susceptibility; Point in time; Random; Slgr Mcbct AB 30.0; SlowMyco; Sus; Suscept; Susceptibilities; Susceptibility; Susceptibilty; TB; Tuberculosis; 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 Method for Slow-growing mycobacteria.antibiotic concentration at 30.0 ug/mL [Susc]Doxycycline [Susceptibility] by Method for Slow-growing mycobacteria.antibiotic concentration at 30.0 ug/mLDoxycycline Islt Slgr Mcbct AB 30.0DoxycyclineABXBACTSusceptibility to DoxycyclineSusc

Frequently asked questions

Code details

Code25223-9
SystemLOINC
Display nameDoxycycline Method for Slow-growing mycobacteria.antibiotic concentration at 30.0 ug/mL [Susc]
DescriptionDoxycycline
Short nameDoxycycline Islt Slgr Mcbct AB 30.0
ComponentDoxycycline
PropertySusc
TimingPt
System (specimen)Isolate
ScaleOrdQn
MethodMethod for Slow-growing mycobacteria.antibiotic concentration at 30.0 ug/mL
ClassABXBACT
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Susceptibility to Doxycycline

Part names

DoxycyclineSuscPtIsolateOrdQnMethod for Slow-growing mycobacteria.antibiotic concentration at 30.0 ug/mLSusceptibility (microorganisms)Point 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.