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Patient—degree of hearing impairment, code N

Identifying and definitional attributes

Metadata item type:Help on this termData Element
Short name:Help on this termDegree of hearing impairment
Synonymous names:Help on this termSeverity of hearing impairment
METeOR identifier:Help on this term500419
Registration status:Help on this termIndigenous, Endorsed 11/08/2014
Definition:Help on this termThe degree of a patient's hearing impairment measured in decibel hearing level (dBHL), as represented by a code.
Data Element Concept:Patient—degree of hearing impairment

Value domain attributes

Representational attributes

Representation class:Help on this termCode
Data type:Help on this termNumber
Format:Help on this termN
Maximum character length:Help on this term1
Permissible values:Help on this term
ValueMeaning
1Mild
2Moderate
3Severe
4Profound
Supplementary values:Help on this term
8Unknown
9Not stated/inadequately described
Proposed unit of measure:Help on this termDecibel hearing level(dBHL)

Collection and usage attributes

Guide for use:Help on this term

The degree of hearing impairment is based on the better ear and is measured in decibel hearing level (dBHL) as follows:

CODE 1   Mild
16-30dBHL in sound proof conditions and 26-35dBHL in non-soundproof conditions

CODE 2   Moderate
31-60dBHL in sound proof conditions and 36-60dBHL in non-soundproof conditions

CODE 3   Severe
61-90dBHL in sound proof conditions and 61-90dBHL in non-soundproof conditions

CODE 4   Profound
91dBHL in sound proof conditions and 91dBHL in non-soundproof conditions.

Source and reference attributes

Submitting organisation:Help on this termAustralian Institute of Health and Welfare
Reference documents:Help on this termAIHW (Australian Institute of Health and Welfare) 2011. Ear and hearing health of Indigenous children in the Northern Territory 2011. Cat. no. IHW 60. Canberra: AIHW. Pg 34. http://www.aihw.gov.au/publication-detail/?id=10737420423

Data element attributes

Collection and usage attributes

Guide for use:Help on this term

Hearing impairment is a classification of functional impairment of the 3 frequency average (dBHL): 500Hz, 1000Hz and 2000Hz of thresholds in the better hearing ear.

Based on standards hearing impairment classification for children as recommended by Australian Hearing as data relates only to children. 

Source and reference attributes

Submitting organisation:Help on this termAustralian Institute of Health and Welfare
Steward:Help on this termAustralian Institute of Health and Welfare

Relational attributes

Implementation in Data Set Specifications:Help on this term
All attributes +

Stronger Futures in the Northern Territory Children's Health Checks: Audiology services DSS, May 2011-March 2012 Indigenous, Archived 18/02/2015

DSS specific attributes +

Stronger Futures in the Northern Territory: Audiology services DSS, April 2012-April 2013 Indigenous, Archived 18/02/2015

DSS specific attributes +

Stronger Futures in the Northern Territory: Audiology services DSS, May 2013-August 2014 Indigenous, Endorsed 18/02/2015

DSS specific attributes +
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