ICD-10-CM > S00-T88 > T20-T25 > T23 > T23.4 T23.4 Corrosion of unspecified degree of wrist and hand Non-Billable/Non-Specific Code First (T51-T65) to identify chemical and intent Use Additional external cause code to identify place (Y92) Codes T23.40Corrosion of unspecified degree of hand, unspecified siteT23.401Corrosion of unspecified degree of right hand, unspecified siteT23.401A..., initial encounterT23.401D..., subsequent encounterT23.401S..., sequelaT23.402Corrosion of unspecified degree of left hand, unspecified siteT23.402A..., initial encounterT23.402D..., subsequent encounterT23.402S..., sequelaT23.409Corrosion of unspecified degree of unspecified hand, unspecified siteT23.409A..., initial encounterT23.409D..., subsequent encounterT23.409S..., sequelaT23.41Corrosion of unspecified degree of thumb (nail)T23.411Corrosion of unspecified degree of right thumb (nail)T23.411A..., initial encounterT23.411D..., subsequent encounterT23.411S..., sequelaT23.412Corrosion of unspecified degree of left thumb (nail)T23.412A..., initial encounterT23.412D..., subsequent encounterT23.412S..., sequelaT23.419Corrosion of unspecified degree of unspecified thumb (nail)T23.419A..., initial encounterT23.419D..., subsequent encounterT23.419S..., sequelaT23.42Corrosion of unspecified degree of single finger (nail) except thumbT23.421Corrosion of unspecified degree of single right finger (nail) except thumbT23.421A..., initial encounterT23.421D..., subsequent encounterT23.421S..., sequelaT23.422Corrosion of unspecified degree of single left finger (nail) except thumbT23.422A..., initial encounterT23.422D..., subsequent encounterT23.422S..., sequelaT23.429Corrosion of unspecified degree of unspecified single finger (nail) except thumbT23.429A..., initial encounterT23.429D..., subsequent encounterT23.429S..., sequelaT23.43Corrosion of unspecified degree of multiple fingers (nail), not including thumbT23.431Corrosion of unspecified degree of multiple right fingers (nail), not including thumbT23.431A..., initial encounterT23.431D..., subsequent encounterT23.431S..., sequelaT23.432Corrosion of unspecified degree of multiple left fingers (nail), not including thumbT23.432A..., initial encounterT23.432D..., subsequent encounterT23.432S..., sequelaT23.439Corrosion of unspecified degree of unspecified multiple fingers (nail), not including thumbT23.439A..., initial encounterT23.439D..., subsequent encounterT23.439S..., sequelaT23.44Corrosion of unspecified degree of multiple fingers (nail), including thumbT23.441Corrosion of unspecified degree of multiple right fingers (nail), including thumbT23.441A..., initial encounterT23.441D..., subsequent encounterT23.441S..., sequelaT23.442Corrosion of unspecified degree of multiple left fingers (nail), including thumbT23.442A..., initial encounterT23.442D..., subsequent encounterT23.442S..., sequelaT23.449Corrosion of unspecified degree of unspecified multiple fingers (nail), including thumbT23.449A..., initial encounterT23.449D..., subsequent encounterT23.449S..., sequelaT23.45Corrosion of unspecified degree of palmT23.451Corrosion of unspecified degree of right palmT23.451A..., initial encounterT23.451D..., subsequent encounterT23.451S..., sequelaT23.452Corrosion of unspecified degree of left palmT23.452A..., initial encounterT23.452D..., subsequent encounterT23.452S..., sequelaT23.459Corrosion of unspecified degree of unspecified palmT23.459A..., initial encounterT23.459D..., subsequent encounterT23.459S..., sequelaT23.46Corrosion of unspecified degree of back of handT23.461Corrosion of unspecified degree of back of right handT23.461A..., initial encounterT23.461D..., subsequent encounterT23.461S..., sequelaT23.462Corrosion of unspecified degree of back of left handT23.462A..., initial encounterT23.462D..., subsequent encounterT23.462S..., sequelaT23.469Corrosion of unspecified degree of back of unspecified handT23.469A..., initial encounterT23.469D..., subsequent encounterT23.469S..., sequelaT23.47Corrosion of unspecified degree of wristT23.471Corrosion of unspecified degree of right wristT23.471A..., initial encounterT23.471D..., subsequent encounterT23.471S..., sequelaT23.472Corrosion of unspecified degree of left wristT23.472A..., initial encounterT23.472D..., subsequent encounterT23.472S..., sequelaT23.479Corrosion of unspecified degree of unspecified wristT23.479A..., initial encounterT23.479D..., subsequent encounterT23.479S..., sequelaT23.49Corrosion of unspecified degree of multiple sites of wrist and handT23.491Corrosion of unspecified degree of multiple sites of right wrist and handT23.491A..., initial encounterT23.491D..., subsequent encounterT23.491S..., sequelaT23.492Corrosion of unspecified degree of multiple sites of left wrist and handT23.492A..., initial encounterT23.492D..., subsequent encounterT23.492S..., sequelaT23.499Corrosion of unspecified degree of multiple sites of unspecified wrist and handT23.499A..., initial encounterT23.499D..., subsequent encounterT23.499S..., sequela
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