LOINCActiveObservation

LOINC Code 98856-8: US Urinary bladder Volume post void

98856-8 is a LOINC code used to identify US Urinary bladder Volume post void 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 Volume^post void. It is commonly used with the system or sample type Urinary bladder.

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 Volume^post void. It is commonly used with the system or sample type Urinary bladder.

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: US

What it does not mean

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

Key facts

  • US Urinary bladder Volume post void
  • Volume^post void
  • This is a routine in-office procedure that measures the bladder volume in milliliters after a patient micturates. Normally the post void volume should be zero or close to zero. Conditions that prevent complete emptying, such as prostate hypertrophy, result in higher post-void volumes.
  • After; Echography; Imaging; p vdg; Point in time; PST; QNT; Quan; Quant; Quantitative; RADIOLOGY; Random; Sonogram; Sonograph; Sonography; ULS; Ultrasound; 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

US Urinary bladder Volume post voidUS Bladder Volume p vdgVolume^post voidRADVolPtUrinary bladder

Frequently asked questions

Code details

Code98856-8
SystemLOINC
Display nameUS Urinary bladder Volume post void
DescriptionVolume^post void
Short nameUS Bladder Volume p vdg
ComponentVolume^post void
PropertyVol
TimingPt
System (specimen)Urinary bladder
ScaleQn
MethodUS
ClassRAD
Example unitsmL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

Volume^post voidVolPtUrinary bladderQnUSVolumePoint in time (spot)Ultrasound

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 98856-8 | HealthAssure