LOINCActiveBoth

LOINC Code 18190-9: Acid phosphatase tartrate resistant Ql (Specimen)

18190-9 is a LOINC code used to identify Acid phosphatase tartrate resistant Ql (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 Acid phosphatase.tartrate resistant. It is commonly used with the system or sample type XXX.

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 Acid phosphatase.tartrate resistant. 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: ACTIVE
  • Order vs observation: Both

What it does not mean

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

Key facts

  • Acid phosphatase tartrate resistant [Presence] in Specimen
  • Acid phosphatase.tartrate resistant
  • Ac Phos; Acd; Acid phosphatase.total; Acids; AcP; ACP TRAP; Chemistry; Misc; Miscellaneous; Ordinal; Other; Phos; Phosphtase; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Spec; To be specified in another part of the message; TRAP; Tumor marker; Unspecified

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

Acid phosphatase tartrate resistant Ql (Specimen)Acid phosphatase tartrate resistant [Presence] in SpecimenACP TRAP Spec QlAcid phosphatase.tartrate resistantCHEMAcid phosphatase tartrate resistant, SpecimenPrThr

Frequently asked questions

Code details

Code18190-9
SystemLOINC
Display nameAcid phosphatase tartrate resistant Ql (Specimen)
DescriptionAcid phosphatase.tartrate resistant
Short nameACP TRAP Spec Ql
ComponentAcid phosphatase.tartrate resistant
PropertyPrThr
TimingPt
System (specimen)XXX
ScaleOrd
ClassCHEM
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Acid phosphatase tartrate resistant, Specimen

Part names

Acid phosphatase.tartrate resistantPrThrPtXXXOrdAcid phosphatase tartrate resistantPresence or ThresholdPoint 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 18190-9 | HealthAssure