ICD-10-CM Codes Browse (Tabular) Diagnostic External Drug Neoplasm

T43.636D – Underdosing of methylphenidate, subsequent encounter

Coding Notes

Active

Billable, valid for HIPAA-covered transactions

GEM Conversion to ICD-9 CM

NoDx

Fs: 11000

MDC / MS-DRG Reference

DRG 949

AFTERCARE WITH CC/MCC

DRG 950

AFTERCARE WITHOUT CC/MCC

Sibling Codes

T43.636A

Underdosing of methylphenidate, initial encounter

T43.636S

Underdosing of methylphenidate, sequela

Parent Sibling Codes

T43.631

Poisoning by methylphenidate, accidental (unintentional)

T43.632

Poisoning by methylphenidate, intentional self-harm

T43.633

Poisoning by methylphenidate, assault

T43.634

Poisoning by methylphenidate, undetermined

T43.635

Adverse effect of methylphenidate

T43.636

Underdosing of methylphenidate

Codes with Same Suffix

S62.636D

Displaced fracture of distal phalanx of right little finger, subsequent encounter for fracture with routine healing

S63.636D

Sprain of interphalangeal joint of right little finger, subsequent encounter