What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActive

LOINC Code 70959-2: Protein catabolic rate adjusted for body weight based on Serum or Plasma [Calculated]

Name: LOINC Code 70959-2: Protein catabolic rate adjusted for body weight based on Serum or Plasma [Calculated]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:49.466Z

70959-2 is a LOINC code used to identify Protein catabolic rate adjusted for body weight based on Serum or Plasma [Calculated] 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 Protein catabolic rate^^adjusted for body weight. It is commonly used with the system or sample type Ser/Plas.

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 Protein catabolic rate^^adjusted for body weight. It is commonly used with the system or sample type Ser/Plas.

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: Calculated

What it does not mean

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

Key facts

Protein catabolic rate adjusted for body weight based on Serum or Plasma [Calculated]
Protein catabolic rate^^adjusted for body weight
Indicates patient's Normalized Protein Catabolic Rate (nPCR)
?Tm; adj; Bdy weight; bod; Bodies; Calc; Calculation; ESRD; ESRD survey; Mass Rate; mRate; Pl; Plasma; Plsm; PR; Prot; QNT; Quan; Quant; Quantitative; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Survey; Wt

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

Protein catabolic rate adjusted for body weight based on Serum or Plasma [Calculated]Protein catabolic rate^^adjusted for body weightSURVEY.ESRDMRatXXXSer/PlasQn

Frequently asked questions

Code details

Code70959-2

SystemLOINC

Display nameProtein catabolic rate adjusted for body weight based on Serum or Plasma [Calculated]

DescriptionProtein catabolic rate^^adjusted for body weight

ComponentProtein catabolic rate^^adjusted for body weight

PropertyMRat

TimingXXX

System (specimen)Ser/Plas

ScaleQn

MethodCalculated

ClassSURVEY.ESRD

Example unitsg/h

StatusACTIVE

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.40

Last changed2.68

Part names

Protein catabolic rate^^adjusted for body weightMRatXXXSer/PlasQnCalculatedMass RateUnspecifiedSerum or Plasma

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.