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 63773-6: How many cigarettes per day do you usually smoke anywhere inside the home [NHANES]

Name: LOINC Code 63773-6: How many cigarettes per day do you usually smoke anywhere inside the home [NHANES]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:43.946Z

63773-6 is a LOINC code used to identify How many cigarettes per day do you usually smoke anywhere inside the home [NHANES] 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 How many cigarettes per D do you usually smoke anywhere inside the home. 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 How many cigarettes per D do you usually smoke anywhere inside the home. 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
Method: NHANES

What it does not mean

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

Key facts

How many cigarettes per day do you usually smoke anywhere inside the home [NHANES]
How many cigarettes per D do you usually smoke anywhere inside the home
1 pack equals 20 cigarettes
Count/time; Dextro; nRate; Number rate; Number Rate = Count/Time; PhenX; Point in time; QNT; Quan; Quant; Quantitative; Random; Smoking cigarette quantity

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

How many cigarettes per day do you usually smoke anywhere inside the home [NHANES]Smoking cigarette quantity nRate NHANESHow many cigarettes per D do you usually smoke anywhere inside the homePHENXNRatPt^Patient

Frequently asked questions

Code details

Code63773-6

SystemLOINC

Display nameHow many cigarettes per day do you usually smoke anywhere inside the home [NHANES]

DescriptionHow many cigarettes per D do you usually smoke anywhere inside the home

Short nameSmoking cigarette quantity nRate NHANES

ComponentHow many cigarettes per D do you usually smoke anywhere inside the home

PropertyNRat

TimingPt

System (specimen)^Patient

ScaleQn

MethodNHANES

ClassPHENX

Example units/d

StatusACTIVE

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.36

Last changed2.65

Part names

How many cigarettes per D do you usually smoke anywhere inside the homeNRatPt^PatientQnNHANESHow many cigarettes per day do you usually smoke anywhere inside the homeNumber RatePoint 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.