70954-3

LOINC Code


LOINC code70954-3
name
descriptionIndicates whether the standard process of assessing Residual Renal Function was performed when calculating the Weekly Kt/V. K (clearance) multiplied by t (time) is a volume (since mL/min x min = mL, or L/hr x hr = L), and (K x t) can be thought of as the mL or L of fluid (blood in this case) cleared of urea (or any other solute) during the course of a single treatment. V also is a volume, expressed in mL or L. So the ratio of K x t / V is a so-called "dimensionless ratio" and can be thought of as a multiple of the volume of plasma cleared of urea divided by the distribution volume of urea. When Kt/V = 1.0, a volume of blood equal to the distribution volume of urea has been completely cleared of urea.
statusTRIAL

Fully-Specified Name

componentStandard process followed for residual renal function assessed in calculating Kt/V
propertyFind  =  Finding
timePt  =  Point in time:  To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements.
system^Patient
scaleOrd  =  Ordinal:  Ordered categorical responses, e.g., 1+, 2+, 3+; positive, negative; reactive, indeterminate, nonreactive.
methodESRD

Additional Names

short nameEnd Stage Renal Disease; ESRD survey; FCN; Finding; Findings; Func; Funct; Kidney; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen; Std process followed for residual renal function in Kt calc; Survey

Basic Attributes

classSURVEY.ESRD
type4  Surveys

Member of these Panels

70300-9

History/Usage

first released
last updated2.67
last change typeMIN  - change to field other than name

Related Names

N

Copyright © 2026 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2026, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.

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