LOINCActiveBoth

LOINC Code 32553-0: Sodium Unsp time (U) [Molar amount]

32553-0 is a LOINC code used to identify Sodium Unsp time (U) [Molar amount] 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 Sodium. It is commonly used with the system or sample type Urine.

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 Sodium. It is commonly used with the system or sample type Urine.

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: Both

What it does not mean

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

Key facts

  • Sodium [Molar amount] in Urine collected for unspecified duration
  • Sodium
  • ?Tm; Chemistry; Na; Na+; QNT; Quan; Quant; Quantitative; Substance Amount; UA; UR; Urn

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

Sodium Unsp time (U) [Molar amount]Sodium [Molar amount] in Urine collected for unspecified durationSodium ?Tm sub Ur QnSodiumCHEMSodium, UrineSub

Frequently asked questions

Code details

Code32553-0
SystemLOINC
Display nameSodium Unsp time (U) [Molar amount]
DescriptionSodium
Short nameSodium ?Tm sub Ur Qn
ComponentSodium
PropertySub
TimingXXX
System (specimen)Urine
ScaleQn
ClassCHEM
Example unitsmmol
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.08
Last changed2.70

Consumer names

Sodium, Urine

Part names

SodiumSubXXXUrineQnSubstance AmountUnspecified

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 32553-0 | HealthAssure