Degree of hearing impairment code N

Identifying and definitional attributes

Metadata item type:Value Domain
METeOR identifier:497233
Registration status:Indigenous, Endorsed 08/08/2014
Definition:Code set representing the degree of hearing impairment measured in decibel hearing level (dBHL).

Representational attributes

Representation class:Code
Data type:Number
Format:N
Maximum character length:1
Permissible values:
ValueMeaning
1Mild
2Moderate
3Severe
4Profound
Supplementary values:
8Unknown
9Not stated/inadequately described
Proposed unit of measure:Decibel hearing level(dBHL)

Collection and usage attributes

Guide for use:

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:Australian Institute of Health and Welfare
Reference documents:AIHW (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

Relational attributes

Data elements implementing this value domain:

Patient—degree of hearing impairment, code N Indigenous, Endorsed 11/08/2014