ICD-10-CM Code for Legal blindness, as defined in USA H54.8
ICD-10 code H54.8 for Legal blindness, as defined in USA is a medical classification as listed by WHO under the range - Diseases of the eye and adnexa .
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Legal blindness, as defined in USA
Blindness NOS according to USA definition
Note: The table below gives a classification of severity of visual impairment recommended by a WHO Study Group on the Prevention of Blindness, Geneva, 6-10 November 1972.
The term 'low vision' in category H54 comprises categories 1 and 2 of the table, the term 'blindness' categories 3, 4 and 5, and the term 'unqualified visual loss' category 9.
If the extent of the visual field is taken into account, patients with a field no greater than 10 but greater than 5 around central fixation should be placed in category 3 and patients with a field no greater than 5 around central fixation should be placed in category 4, even if the central acuity is not impaired.
The term 'low vision' in category H54 comprises categories 1 and 2 of the table, the term 'blindness' categories 3, 4 and 5, and the term 'unqualified visual loss' category 9.
If the extent of the visual field is taken into account, patients with a field no greater than 10 but greater than 5 around central fixation should be placed in category 3 and patients with a field no greater than 5 around central fixation should be placed in category 4, even if the central acuity is not impaired.
visualImpairment
| Category of visual impairment | Visual acuity with best possible correction | |
|---|---|---|
| Maximum less than: | Minimum equal to or better than: | |
| 1 | 6/18 | 6/60 |
| 3/10(0.3) | 1/10(0.1) | |
| 20/70 | 20/200 | |
| 2 | 6/60 | 3/60 |
| 1/10(0.1) | 1/20(0.05) | |
| 20/200 | 20/400 | |
| 3 | 3/60 | 1/60(finger counting at one meter) |
| 1/20(0.05) | 1/50(0.02) | |
| 20/400 | 5/300(20/1200) | |
| 4 | 1/60(finger counting at one meter) | Light perception |
| 1/50(0.02) | ||
| 5/300 | ||
| 5 | No light perception | |
| 9 | Undetermined or unspecified | |
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