{"code":"T48.3X6S","type":"code","title":"Underdosing of antitussives, sequela","codeAlso":[],"includes":["adverse effect of correct substance properly administered","poisoning by overdose of substance","poisoning by wrong substance given or taken in error","underdosing by (inadvertently) (deliberately) taking less substance than prescribed or instructed"],"modern_v":"official26","codeFirst":[", for adverse effects, the nature of the adverse effect, such as:","adverse effect NOS (T88.7)","aspirin gastritis (K29.-)","blood disorders (D56-D76)","contact dermatitis (L23-L25)","dermatitis due to substances taken internally (L27.-)","nephropathy (N14.0-N14.2)"],"excludes1":["toxic reaction to local anesthesia in pregnancy (O29.3-)"],"excludes2":["abuse and dependence of psychoactive substances (F10-F19)","abuse of non-dependence-producing substances (F55.-)","immunodeficiency due to drugs (D84.821)","drug reaction and poisoning affecting newborn (P00-P96)","pathological drug intoxication (inebriation) (F10-F19)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["T48","T48.0","T48.0X","T48.0X1","T48.0X1A","T48.0X1D","T48.0X1S","T48.0X2","T48.0X2A","T48.0X2D","T48.0X2S","T48.0X3","T48.0X3A","T48.0X3D","T48.0X3S","T48.0X4","T48.0X4A","T48.0X4D","T48.0X4S","T48.0X5","T48.0X5A","T48.0X5D","T48.0X5S","T48.0X6","T48.0X6A","T48.0X6D","T48.0X6S","T48.1","T48.1X","T48.1X1","T48.1X1A","T48.1X1D","T48.1X1S","T48.1X2","T48.1X2A","T48.1X2D","T48.1X2S","T48.1X3","T48.1X3A","T48.1X3D","T48.1X3S","T48.1X4","T48.1X4A","T48.1X4D","T48.1X4S","T48.1X5","T48.1X5A","T48.1X5D","T48.1X5S","T48.1X6","T48.1X6A","T48.1X6D","T48.1X6S","T48.2","T48.201","T48.201A","T48.201D","T48.201S","T48.202","T48.202A","T48.202D","T48.202S","T48.203","T48.203A","T48.203D","T48.203S","T48.204","T48.204A","T48.204D","T48.204S","T48.205","T48.205A","T48.205D","T48.205S","T48.206","T48.206A","T48.206D","T48.206S","T48.291","T48.291A","T48.291D","T48.291S","T48.292","T48.292A","T48.292D","T48.292S","T48.293","T48.293A","T48.293D","T48.293S","T48.294","T48.294A","T48.294D","T48.294S","T48.295","T48.295A","T48.295D","T48.295S"],"inclusionTerms":[],"sibling_titles":{"code":"T48.295S","title":"Adverse effect of other drugs acting on muscles, sequela","isBillable":true},"useAdditionalCode":["code(s) to specify:","manifestations of poisoning","underdosing or failure in dosage during medical and surgical care (Y63.6, Y63.8-Y63.9)","underdosing of medication regimen (Z91.12-, Z91.13-)"],"clinicalDefinition":"Underdosing of antitussives, sequela is a billable ICD-10-CM diagnosis code (T48.3X6S). Includes: adverse effect of correct substance properly administered; poisoning by overdose of substance; poisoning by wrong substance given or taken in error; underdosing by (inadvertently) (deliberately) taking less substance than prescribed or instructed. Excludes1 (not coded here): toxic reaction to local anesthesia in pregnancy (O29.3-).","officialDefinition":"Underdosing of antitussives, sequela is a billable ICD-10-CM diagnosis code (T48.3X6S). Includes: adverse effect of correct substance properly administered; poisoning by overdose of substance; poisoning by wrong substance given or taken in error; underdosing by (inadvertently) (deliberately) taking less substance than prescribed or instructed. Excludes1 (not coded here): toxic reaction to local anesthesia in pregnancy (O29.3-). Excludes2 (not included here): abuse and dependence of psychoactive substances (F10-F19); abuse of non-dependence-producing substances (F55.-); immunodeficiency due to drugs (D84.821); drug reaction and poisoning affecting newborn (P00-P96); pathological drug intoxication (inebriation) (F10-F19). Code first: , for adverse effects, the nature of the adverse effect, such as:; adverse effect NOS (T88.7); aspirin gastritis (K29.-); blood disorders (D56-D76); contact dermatitis (L23-L25); dermatitis due to substances taken internally (L27.-); nephropathy (N14.0-N14.2). Use additional code: code(s) to specify:; manifestations of poisoning; underdosing or failure in dosage during medical and surgical care (Y63.6, Y63.8-Y63.9); underdosing of medication regimen (Z91.12-, Z91.13-). 7th character: The appropriate 7th character is to be added to each code from category T48.","seventhCharacterInstructions":["The appropriate 7th character is to be added to each code from category T48"],"workflowProtocols":[],"guidelines":{"whenToUse":[],"whenNotToUse":[],"commonBillingMistakes":[],"codeComparisons":[],"documentationChecklist":[]},"domainLandscape":{"summary":"Primary diagnostic domain and clinical landscape evaluation.","keyCategories":[],"diagnosticContinuum":"Progression continuum from acute presentation to resolution."},"children":[],"hierarchy":[],"relatedCodes":[],"relevantCPTCodes":[],"documentationTips":[],"caseStudies":[],"description":"","overview":"","hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}