LOINCActiveObservation

LOINC Code 99735-3: Ultrafiltrate volume removed 1 hour

99735-3 is a LOINC code used to identify Ultrafiltrate volume removed 1 hour 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 Ultrafiltrate volume removed. 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 Ultrafiltrate volume removed. 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

What it does not mean

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

Key facts

  • Ultrafiltrate volume removed 1 hour
  • Ultrafiltrate volume removed
  • 1 hour; 1.0Hr; 1HR; 60 min; 60 minutes; 60M; 60min; CLIN; QNT; Quan; Quant; Quantitative; Vol; Volume

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

Ultrafiltrate volume removed 1 hourUltrafiltrate volume removed 1hUltrafiltrate volume removedCLINUltrafiltrate volume removed in 1 HourVol1H

Frequently asked questions

Code details

Code99735-3
SystemLOINC
Display nameUltrafiltrate volume removed 1 hour
DescriptionUltrafiltrate volume removed
Short nameUltrafiltrate volume removed 1h
ComponentUltrafiltrate volume removed
PropertyVol
Timing1H
System (specimen)^Patient
ScaleQn
ClassCLIN
Example unitsmL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.72
Last changed2.72

Consumer names

Ultrafiltrate volume removed in 1 Hour

Part names

Ultrafiltrate volume removedVol1H^PatientQnVolume1 hour

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 99735-3 | HealthAssure