LOINCActive

LOINC Code 29555-0: Milk production [Mass/time] 24 hour

29555-0 is a LOINC code used to identify Milk production [Mass/time] 24 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 Milk production. 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 Milk production. 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

What it does not mean

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

Key facts

  • Milk production [Mass/time] 24 hour
  • Milk production
  • This is used to record the amount of milk produced by a dairy animal per day
  • 1 day; 24 hours; 24HR; f43; H+P; H+P.PX; Mass Rate; mRate; P prime; QNT; Quan; Quant; Quantitative

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

Milk production [Mass/time] 24 hourMilk production 24h mRateMilk productionH&P.PXMRat24H^Patient

Frequently asked questions

Code details

Code29555-0
SystemLOINC
Display nameMilk production [Mass/time] 24 hour
DescriptionMilk production
Short nameMilk production 24h mRate
ComponentMilk production
PropertyMRat
Timing24H
System (specimen)^Patient
ScaleQn
ClassH&P.PX
Example unitslb/d
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.03
Last changed2.70

Part names

Milk productionMRat24H^PatientQnMass Rate24 hours

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 29555-0 | HealthAssure