What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 77555-1: Average distance to access a patient in a Report Period [NMMDS]

Name: LOINC Code 77555-1: Average distance to access a patient in a Report Period [NMMDS]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:58.754Z

77555-1 is a LOINC code used to identify Average distance to access a patient in a Report Period [NMMDS] 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 Mean distance to access a patient. It is commonly used with the system or sample type {Nursing unit}.

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 Mean distance to access a patient. It is commonly used with the system or sample type {Nursing unit}.

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: NMMDS

What it does not mean

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

Key facts

Average distance to access a patient in a Report Period [NMMDS]

Mean distance to access a patient

Average distance in meters (e.g. 30 m) to access a client or patient per encounter in a reporting period. It is calculated by taking the total distance for accessing patients for all encounters [LOINC77554-4] divided by the total number of encounters in a reporting period [LOINC: 77551-0].

Average; Avg; Length; Nursing Management Minimum Data Set; QNT; Quan; Quant; Quantitative; Report period; Survey; SURVEY.NMMDS

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

Average distance to access a patient in a Report Period [NMMDS]Mean distance to access a patientSURVEY.NMMDSLenRptPeriod^mean{Nursing unit}Qn

Frequently asked questions

Code details

Code77555-1

SystemLOINC

Display nameAverage distance to access a patient in a Report Period [NMMDS]

DescriptionMean distance to access a patient

ComponentMean distance to access a patient

PropertyLen

TimingRptPeriod^mean

System (specimen){Nursing unit}

ScaleQn

MethodNMMDS

ClassSURVEY.NMMDS

Example unitsm

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.52

Last changed2.58

Part names

Mean distance to access a patientLenRptPeriod^mean{Nursing unit}QnNMMDSAverage distance to access a patientLengthNursing Management Minimum Data Set

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.