LOINCActiveObservation

LOINC Code 44963-7: Capillary refill [Time] of Nail bed

44963-7 is a LOINC code used to identify Capillary refill [Time] of Nail bed 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 Capillary refill. It is commonly used with the system or sample type Nail bed.

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 Capillary refill. It is commonly used with the system or sample type Nail bed.

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: Observed

What it does not mean

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

Key facts

  • Capillary refill [Time] of Nail bed
  • Capillary refill
  • Monitors blood flow to tissue and dehydration
  • Capillary nail refill test; CRT; H+P; H+P.PX; Nail blanch test; Nails; P prime; Point in time; QNT; Quan; Quant; Quantitative; Random; Ungal nail

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

Capillary refill [Time] of Nail bedCapillary refill Time Nail BedCapillary refillH&P.PXTimePtNail bed

Frequently asked questions

Code details

Code44963-7
SystemLOINC
Display nameCapillary refill [Time] of Nail bed
DescriptionCapillary refill
Short nameCapillary refill Time Nail Bed
ComponentCapillary refill
PropertyTime
TimingPt
System (specimen)Nail bed
ScaleQn
MethodObserved
ClassH&P.PX
Example unitss
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.70

Part names

Capillary refillTimePtNail bedQnObservedTime (e.g. seconds)Point in time (spot)

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 44963-7 | HealthAssure