ICD-10-CM > K00-K95 > K00-K14 > K08 > K08.4 > K08.40 K08.40 Partial loss of teeth, unspecified cause Non-Billable/Non-Specific Codes K08.401Partial loss of teeth, unspecified cause, class IK08.402Partial loss of teeth, unspecified cause, class IIK08.403Partial loss of teeth, unspecified cause, class IIIK08.404Partial loss of teeth, unspecified cause, class IVK08.409Partial loss of teeth, unspecified cause, unspecified class