Adverse effect of other drugs, medicaments and biological substances, initial encounter. T50.995A is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2019 edition of ICD-10-CM T50.995A became effective on October 1, 2018.
Encounter for therapeutic drug level monitoring. Z51.81 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2019 edition of ICD-10-CM Z51.81 became effective on October 1, 2018. This is the American ICD-10-CM version of Z51.81 - other international versions of ICD-10 Z51.81 may differ.
T88.7 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail. The 2022 edition of ICD-10-CM T88.7 became effective on October 1, 2021.
When the same ICD-10-CM diagnosis code applies to two or more conditions during the same encounter (e.g. two separate conditions classified to the same ICD-10-CM diagnosis code): Assign “Y” if all conditions represented by the single ICD-10-CM code were present on admission (e.g. bilateral unspecified age-related cataracts).
The 2022 edition of ICD-10-CM T43.205A became effective on October 1, 2021.
Use secondary code (s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code. Type 1 Excludes.
T43.21 Poisoning by, adverse effect of and underdosing of selective serotonin and norepine phrine reuptake inhibitors. T43.211 Poisoning by selective serotonin and norepinephrine reuptake inhibitors, accidental (unintentional) T43.211A …… initial encounter.