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For example, a patient presents with intractable epilepsy due to subtherapeutic Dilantin levels. The patient has been noncompliant with medication for religious reasons. Proper coding is G40.919 Epilepsy, unspecified, intractable, without status epilepticus , T42.0x6A Underdosing of hydantoin derivatives, initial encounter , and Z91.128 Patient’s intentional underdosing of …
FAQ example scenario for patient underdosing with icd 10 codes
What is the meaning of underdosing code?
Underdosing is defined as taking less of a drug than is recommended by a provider or the manufacturer. Underdosing codes are intended to give additional information or to describe the reason a disease has developed manifestations and are always sequenced second. Poisoning codes are sequenced first.
What is the ICD 10 combination code for accidental overdose?
In ICD-10, the entire encounter is assigned a single combination code – T40.1X1A, poisoning by heroin, accidental (unintentional). Other examples of combination codes in ICD-10: I26.01 Septic pulmonary embolism with acute cor pulmonale K57.21 Diverticulitis of large intestine with perforation and abscess with bleeding
What is the ICD 10 code for adverse effects?
Per ICD-10-CM guidelines, the drug giving rise to the adverse effect should be identified by use of codes from categories T36-T50 with fifth or sixth character 5. Underdosing refers to taking less of a medication than is prescribed by a provider or a manufacturer’s instruction.
What is a poisoning code?
Poisoning indicates improper use of a medication, to include overdose, wrong substance given or taken in error, or wrong route of administration. When reporting poisoning by drugs, biological, and biological substances, assign the appropriate poisoning code first, followed by the manifestation code (s).
ICD-10-CM Coding Poisoning, Adverse Effects and Underdosing
MEDICAL CODING – How to Select an ICD-10-CM Code – Medical Coder – Diagnosis Code Look Up Tutorial
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