Valid for Submission
T40.3X4D is a billable diagnosis code used to specify a medical diagnosis of poisoning by methadone, undetermined, subsequent encounter. The code T40.3X4D is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.
The ICD-10-CM code T40.3X4D might also be used to specify conditions or terms like methadone overdose, methadone overdose of undetermined intent, methadone poisoning of undetermined intent or poisoning by methadone. The code is exempt from present on admission (POA) reporting for inpatient admissions to general acute care hospitals.
T40.3X4D is a subsequent encounter code, includes a 7th character and should be used after the patient has completed active treatment for a condition like poisoning by methadone undetermined. According to ICD-10-CM Guidelines a "subsequent encounter" occurs when the patient is receiving routine care for the condition during the healing or recovery phase of treatment. Subsequent diagnosis codes are appropriate during the recovery phase, no matter how many times the patient has seen the provider for this condition. If the provider needs to adjust the patient's care plan due to a setback or other complication, the encounter becomes active again.
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Methadone overdose
- Methadone overdose of undetermined intent
- Methadone poisoning of undetermined intent
- Poisoning by methadone
Diagnostic Related Groups - MS-DRG Mapping
Present on Admission (POA)
Convert T40.3X4D to ICD-9 Code
The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code T40.3X4D its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.
Information for Patients
A poison is any substance that is harmful to your body. You might swallow it, inhale it, inject it, or absorb it through your skin. Any substance can be poisonous if too much is taken. Poisons can include
- Prescription or over-the-counter medicines taken in doses that are too high
- Overdoses of illegal drugs
- Carbon monoxide from gas appliances
- Household products, such as laundry powder or furniture polish
- Indoor or outdoor plants
- Metals such as lead and mercury
The effects of poisoning range from short-term illness to brain damage, coma, and death. To prevent poisoning it is important to use and store products exactly as their labels say. Keep dangerous products where children can't get to them. Treatment for poisoning depends on the type of poison. If you suspect someone has been poisoned, call your local poison control center at 1-800-222-1222 right away.
- Poisoning (Medical Encyclopedia)
- Poisoning first aid (Medical Encyclopedia)
- Toxicology screen (Medical Encyclopedia)
[Learn More in MedlinePlus]