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LOINC Code 79531-0: Basic mobility items number [Activity Measure for Post-Acute Care]

79531-0 is a LOINC code used to identify Basic mobility items number [Activity Measure for Post-Acute Care] 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 Basic mobility items. 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 Basic mobility items. 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: AM-PAC

What it does not mean

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

Key facts

Basic mobility items number [Activity Measure for Post-Acute Care]
Basic mobility items
The Boston University Activity Measure for Post-Acute Care (AM-PAC) instrument was developed as a functional outcomes measurement system that can be used across post-acute care settings. It assesses a set of functional activities in three separate areas - basic mobility, daily activity, and applied cognition - that most adults are likely to encounter during daily activities. Basic mobility includes basic movement and physical functioning activities, such as bending, walking, carrying, and climbing stairs. The electronic AM-PAC instrument results in a score and a standard error that represents the score's precision and is based on the number of questions answered. For example, answering more questions will result in higher precision as reflected by a lower standard error value. [http//www.bu.edu/bostonroc/instruments/am-pac/]
APTA; Cnt; Count; Number; Physical Therapy; Point in time; Post Acute Care; PT; QNT; Quan; Quant; Quantitative; Random

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

Basic mobility items number [Activity Measure for Post-Acute Care]Basic mobility items # [AM-PAC]Basic mobility itemsAPTANumPt^Patient

Frequently asked questions

Code details

Code79531-0
SystemLOINC
Display nameBasic mobility items number [Activity Measure for Post-Acute Care]
DescriptionBasic mobility items
Short nameBasic mobility items # [AM-PAC]
ComponentBasic mobility items
PropertyNum
TimingPt
System (specimen)^Patient
ScaleQn
MethodAM-PAC
ClassAPTA
Example units#
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.54
Last changed2.58

Part names

Basic mobility itemsNumPt^PatientQnAM-PACNumber (count)Point 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 79531-0 | HealthAssure