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Diseases of the eye and adnexa (H00-H59)

Note:: Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition

Excludes 2:: certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-)
endocrine, nutritional and metabolic diseases (E00-E88)
injury (trauma) of eye and orbit (S05.-)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71)

Visual disturbances and blindness (H53-H54)

H53

Visual disturbances [+]

H53.0

Amblyopia ex anopsia [+]

Excludes 1:

amblyopia due to vitamin A deficiency (E50.5)

H53.00

Unspecified amblyopia [+]

H53.01

Deprivation amblyopia [+]

H53.02

Refractive amblyopia [+]

H53.03

Strabismic amblyopia [+]

Excludes 1:

strabismus (H50.-)

H53.04

Amblyopia suspect [+]

H53.1

Subjective visual disturbances [+]

Excludes 1:

subjective visual disturbances due to vitamin A deficiency (E50.5)
visual hallucinations (R44.1)

H53.10

Unspecified subjective visual disturbances

H53.11

Day blindness
Hemeralopia

H53.12

Transient visual loss [+]
Scintillating scotoma

Excludes 1:

amaurosis fugax (G45.3-)
transient retinal artery occlusion (H34.0-)

H53.13

Sudden visual loss [+]

H53.14

Visual discomfort [+]
Asthenopia
Photophobia

H53.15

Visual distortions of shape and size
Metamorphopsia

H53.16

Psychophysical visual disturbances

H53.19

Other subjective visual disturbances
Visual halos

H53.2

Diplopia
Double vision

H53.3

Other and unspecified disorders of binocular vision [+]

H53.4

Visual field defects [+]

H53.40

Unspecified visual field defects

H53.41

Scotoma involving central area [+]
Central scotoma

H53.42

Scotoma of blind spot area [+]
Enlarged blind spot

H53.43

Sector or arcuate defects [+]
Arcuate scotoma
Bjerrum scotoma

H53.45

Other localized visual field defect [+]
Peripheral visual field defect
Ring scotoma NOS
Scotoma NOS

H53.46

Homonymous bilateral field defects [+]
Homonymous hemianopia
Homonymous hemianopsia
Quadrant anopia
Quadrant anopsia

H53.47

Heteronymous bilateral field defects
Heteronymous hemianop(s)ia

H53.48

Generalized contraction of visual field [+]

H53.5

Color vision deficiencies [+]
Color blindness

Excludes 2:

day blindness (H53.11)

H53.6

Night blindness [+]

Excludes 1:

night blindness due to vitamin A deficiency (E50.5)

H53.7

Vision sensitivity deficiencies [+]

H53.8

Other visual disturbances

H53.9

Unspecified visual disturbance

H54

Blindness and low vision [+]

Note:

For definition of visual impairment categories see table below

Code first	any associated underlying cause of the blindness
Excludes 1:	amaurosis fugax (G45.3)

H54.0

Blindness, both eyes [+]
Visual impairment categories 3, 4, 5 in both eyes.

H54.1

Blindness, one eye, low vision other eye [+]
Visual impairment categories 3, 4, 5 in one eye, with categories 1 or 2 in the other eye.

H54.2

Low vision, both eyes [+]
Visual impairment categories 1 or 2 in both eyes.

H54.3

Unqualified visual loss, both eyes
Visual impairment category 9 in both eyes.

H54.4

Blindness, one eye [+]
Visual impairment categories 3, 4, 5 in one eye [normal vision in other eye]

H54.5

Low vision, one eye [+]
Visual impairment categories 1 or 2 in one eye [normal vision in other eye].

H54.6

Unqualified visual loss, one eye [+]
Visual impairment category 9 in one eye [normal vision in other eye].

H54.7

Unspecified visual loss
Visual impairment category 9 NOS

H54.8

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.

Excludes 1:

legal blindness with specification of impairment level (H54.0-H54.7)