LOINCActiveObservation

LOINC Code 101330-9: MDS v3.0 - RAI v1.18.11 - Number of venous and arterial ulcers during assessment period [CMS Assessment]

101330-9 is a LOINC code used to identify MDS v3.0 - RAI v1.18.11 - Number of venous and arterial ulcers during assessment period [CMS Assessment] 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 Number of venous and arterial ulcers. 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 Number of venous and arterial ulcers. 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: CMS Assessment

What it does not mean

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

Key facts

  • MDS v3.0 - RAI v1.18.11 - Number of venous and arterial ulcers during assessment period [CMS Assessment]
  • Number of venous and arterial ulcers
  • Centers for Medicare and Medicaid Assessment; Cnt; Count; No; Num; Number; QNT; Quan; Quant; Quantitative; Report period; 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

MDS v3.0 - RAI v1.18.11 - Number of venous and arterial ulcers during assessment period [CMS Assessment]Number of venous and arterial ulcersSURVEY.CMSNumRptPeriod^PatientQn

Frequently asked questions

Code details

Code101330-9
SystemLOINC
Display nameMDS v3.0 - RAI v1.18.11 - Number of venous and arterial ulcers during assessment period [CMS Assessment]
DescriptionNumber of venous and arterial ulcers
ComponentNumber of venous and arterial ulcers
PropertyNum
TimingRptPeriod
System (specimen)^Patient
ScaleQn
MethodCMS Assessment
ClassSURVEY.CMS
Example units#
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.74
Last changed2.74

Part names

Number of venous and arterial ulcersNumRptPeriod^PatientQnCMS AssessmentNumber (count)Reporting PeriodCenters for Medicare and Medicaid Assessment

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 101330-9 | HealthAssure