LOINCActiveObservation

LOINC Code 100033-0: Axis IV: Utilization of the health care system score [Mainz Pain Staging System]

100033-0 is a LOINC code used to identify Axis IV: Utilization of the health care system score [Mainz Pain Staging System] 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 Axis IV: Utilization of the health care system score. 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 Axis IV: Utilization of the health care system score. 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: Observation
  • Method: Mainz Pain Staging System

What it does not mean

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

Key facts

Axis IVUtilization of the health care system score [Mainz Pain Staging System]
Axis IVUtilization of the health care system score
The Axis IVutilization of health care system score is determined by four items including: change of personal physician, pain related hospitalizations, pain related operations, and pain related rehabilitation. Individual items are scored from 1-3. Items are summed and converted to an axis stage between 4-12 and 4=I, 5-8=II, and 9-12=III, with higher values associated with greater pain chronicity. [PMID: 12799906, PMID: 20093984]
Axis IVUse of the health care system score; MPSS; Point in time; QNT; Quan; Quant; Quantitative; Random; Scale; Scre; Survey

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

Axis IV: Utilization of the health care system score [Mainz Pain Staging System]Axis IV: Utilization of the health care system scoreSURVEY.PAINScorePt^PatientQn

Frequently asked questions

Code details

Code100033-0
SystemLOINC
Display nameAxis IV: Utilization of the health care system score [Mainz Pain Staging System]
DescriptionAxis IV: Utilization of the health care system score
ComponentAxis IV: Utilization of the health care system score
PropertyScore
TimingPt
System (specimen)^Patient
ScaleQn
MethodMainz Pain Staging System
ClassSURVEY.PAIN
Example unitsscore
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.72
Last changed2.72

Part names

Axis IV: Utilization of the health care system scoreScorePt^PatientQnMainz Pain Staging SystemPoint 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.