LOINCActiveBoth

LOINC Code 13554-1: Cyclobenzaprine Ql

13554-1 is a LOINC code used to identify Cyclobenzaprine Ql 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 Cyclobenzaprine. It is commonly used with the system or sample type Ser/Plas.

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 Cyclobenzaprine. It is commonly used with the system or sample type Ser/Plas.

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

  • Cyclobenzaprine [Presence] in Serum or Plasma
  • Cyclobenzaprine
  • Amrix; DRUG/TOXICOLOGY; Drugs; Flexaril; Flexeril; Ordinal; Pl; Plasma; Plsm; Point in time; PR; QL; Qual; Qualitative; Random; Screen; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR

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

Cyclobenzaprine QlCyclobenzaprine [Presence] in Serum or PlasmaCyclobenzaprine SerPl QlCyclobenzaprineDRUG/TOXCyclobenzaprine, BloodPrThr

Frequently asked questions

Code details

Code13554-1
SystemLOINC
Display nameCyclobenzaprine Ql
DescriptionCyclobenzaprine
Short nameCyclobenzaprine SerPl Ql
ComponentCyclobenzaprine
PropertyPrThr
TimingPt
System (specimen)Ser/Plas
ScaleOrd
ClassDRUG/TOX
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0k
Last changed2.56

Consumer names

Cyclobenzaprine, Blood

Part names

CyclobenzaprinePrThrPtSer/PlasOrdPresence or ThresholdPoint in time (spot)Serum or Plasma

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 13554-1 | HealthAssure