E50.5 Vitamin A deficiency with night blindness

Billable ICD-10-CM code, FY2026.

Applies from E50 Vitamin A deficiency

Excludes1 (never code together)

• sequelae of vitamin A deficiency (E64.1)

MS-DRG index

Defines the logic of DRG(s) 124-125 in MDC 02.

Approximate ICD-9-CM (GEMs)

• 264.5 Vitamin A deficiency with night blindness

Code annotations containing back-references to E50.5

Back-references to E50.5

• Type 1 Excludes: H53.0 Amblyopia ex anopsia ("amblyopia due to vitamin A deficiency (E50.5)")
• Type 1 Excludes: H53.1 Subjective visual disturbances ("subjective visual disturbances due to vitamin A deficiency (E50.5)")
• Type 1 Excludes: H53.6 Night blindness ("night blindness due to vitamin A deficiency (E50.5)")

Back-references to E50

• Code First: G63 Polyneuropathy in diseases classified elsewhere ("nutritional deficiency (E40-E64)")
• Type 1 Excludes: T45.2X6 Underdosing of vitamins ("vitamin deficiencies (E50-E56)")
• Type 1 Excludes: Z72.4 Inappropriate diet and eating habits ("malnutrition and other nutritional deficiencies (E40-E64)")

Diagnosis Index entries for E50.5

• Amblyopia (congenital) (ex anopsia) (partial) (suppression) › nocturnal › vitamin A deficiency
• Blindness (acquired) (congenital) (both eyes) › night › vitamin A deficiency
• Deficiency, deficient › vitamin (multiple) NOS › A › with › night blindness
• Hemeralopia (day blindness) › vitamin A deficiency

Nearby codes

• E50.0 Vitamin A deficiency with conjunctival xerosis
• E50.1 Vitamin A deficiency with Bitot's spot and conjunctival xerosis
• E50.2 Vitamin A deficiency with corneal xerosis
• E50.3 Vitamin A deficiency with corneal ulceration and xerosis
• E50.4 Vitamin A deficiency with keratomalacia
• E50.5 Vitamin A deficiency with night blindness (this code)
• E50.6 Vitamin A deficiency with xerophthalmic scars of cornea
• E50.7 Other ocular manifestations of vitamin A deficiency
• E50.8 Other manifestations of vitamin A deficiency
• E50.9 Vitamin A deficiency, unspecified