LOINCActive

LOINC Code 57121-6: Type of client [NMMDS]

57121-6 is a LOINC code used to identify Type of client [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 Type of client. 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 Type of client. 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
  • Method: NMMDS

What it does not mean

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

Key facts

  • Type of client [NMMDS]
  • Type of client
  • Nominal; Nursing Management Minimum Data Set; Point in time; Random; Survey; SURVEY.NMMDS; Typ

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

Type of client [NMMDS]Type of clientSURVEY.NMMDSTypePt{Nursing unit}Nom

Frequently asked questions

Code details

Code57121-6
SystemLOINC
Display nameType of client [NMMDS]
DescriptionType of client
ComponentType of client
PropertyType
TimingPt
System (specimen){Nursing unit}
ScaleNom
MethodNMMDS
ClassSURVEY.NMMDS
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.29
Last changed2.50

Part names

Type of clientTypePt{Nursing unit}NomNMMDSPoint in time (spot)Nursing 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.

LOINC Code 57121-6 | HealthAssure