10ICD Code Hub

Y63.6

Billable code

Underdosing and nonadministration of necessary drug, medicament or biological substance

The ICD-10 code for underdosing and nonadministration of necessary drug, medicament or biological substance is Y63.6.

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Related codes in this category

ICD-9-CM equivalent

Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.

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