LOINCActiveBoth

LOINC Code 91150-3: Pressure injury stage NPUAP

91150-3 is a LOINC code used to identify Pressure injury stage NPUAP 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 Pressure injury stage. It is commonly used with the system or sample type ^Patient.

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 Pressure injury stage. It is commonly used with the system or sample type ^Patient.

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
  • Method: NPUAP

What it does not mean

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

Key facts

  • Pressure injury stage NPUAP
  • Pressure injury stage
  • In 2016, the National Pressure Ulcer Advisory Panel (NPUAP) redefined the definition of a pressure ulcer, transitioning to the use "injury" instead of "ulcer". As defined by the NPUAP, a pressure injury is localized damage to the skin and underlying soft tissue usually over a bony prominence or related to a medical or other device. The injury can present as intact skin or an open ulcer and may be painful. The injury occurs as a result of intense and/or prolonged pressure or pressure in combination with shear.
  • Finding; Findings; H+P; H+P.PX; Nominal; P prime; Point in time; pressure injury; Pressure ulcer; Pressure Ulcers; Random; Ulcer

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

Pressure injury stage NPUAPPressure injury stageH&P.PXFindPt^PatientNom

Frequently asked questions

Code details

Code91150-3
SystemLOINC
Display namePressure injury stage NPUAP
DescriptionPressure injury stage
Short namePressure injury stage NPUAP
ComponentPressure injury stage
PropertyFind
TimingPt
System (specimen)^Patient
ScaleNom
MethodNPUAP
ClassH&P.PX
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.65
Last changed2.65

Part names

Pressure injury stageFindPt^PatientNomNPUAPFindingPoint 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 91150-3 | HealthAssure