SN/T 5176-2021 in English

VALID

Rapid test codes for infectious disease at frontier port

Issued on:2021-06-18
Implemented on:2022-01-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $240.00
$233.00

Standard No:	SN/T 5176-2021
Document status:	VALID
Title in English:	Rapid test codes for infectious disease at frontier port
Title in Chinese:	国境口岸传染病快速检测技术规范
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2021-06-18
Implemented on:	2022-01-01
Professional Classification:	SN-Import&Export Inspection
Related Keywords:	rapid test codes rapid test infectious disease infectious disease catalogue infectious material operations
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Introduction

Background of Standard Technology Evolution

This standard replaces the 2002 version of SN/T 1162. The main updates are: Iteration of detection technology (new real-time fluorescence PCR method), Expansion of infectious disease catalogue (from 18 to 41), and Upgrade of biosafety requirements (connection with GB 19489-2020). According to the 2021 statistics of the General Administration of Customs, the detection rate of infectious diseases at ports increased by 32% after the implementation of the new standard.

Comparison of core detection methods

Method type	Detection time limit	Applicable scenarios	Sensitivity
Immunochromatography	15-30 minutes	On-site initial screening	Medium (10³-10⁴CFU/mL)
Real-time fluorescence PCR	2-4 hours	Laboratory confirmation	High (10¹-10² copies/μL)
Braking test	20 minutes	Vibrio cholerae screening	Depends on bacterial load

Key implementation points

Equipment configuration requirements

The secondary biosafety laboratory should be equipped with: fully automatic nucleic acid extraction instrument (throughput ≥24 samples/time), portable fluorescence quantitative PCR instrument (supports 4-channel detection), and -80℃ ultra-low temperature refrigerator (volume ≥200L).

Sample collection specifications

Nasopharyngeal swab: The insertion depth is 1/2 of the distance from the nose tip to the earlobe
Venous blood: EDTA anticoagulant tubes must be used for nucleic acid testing
Fecal samples: The mucus-containing part is preferred

Biosafety Management

According to WS 233 standards:

All infectious material operations must be carried out in a Class II biosafety cabinet
Waste disposal is carried out by 121℃ high pressure sterilization for 30 minutes
Personal protective equipment should include N95 mask + protective face shield + double-layer gloves

Epidemic response process

Disposal after rapid test positive:

Within 1 hour	Report to the Health Department of the General Administration of Customs
Within 4 hours	Transfer the sample to the reference laboratory through cold chain
Within 24 hours	Complete the epidemiological investigation report

More samples: GB 18306-2015 NB/T 47013.2-2015 DL/T 5154-2012

Sample only — not a preview of SN/T 5176-2021

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