When coding an adverse effect of a drug that has been correctly prescribed and properly administered, assign the appropriate code for the nature of the adverse effect followed by the appropriate code for the adverse effect of the drug (T36-T50).
905A: Adverse effect of unspecified drugs, medicaments and biological substances, initial encounter.
2022 ICD-10-CM Diagnosis Code Z51. 81: Encounter for therapeutic drug level monitoring.
Valid for SubmissionICD-10:Z51.89Short Description:Encounter for other specified aftercareLong Description:Encounter for other specified aftercare
For underdosing, assign the code from categories T36–T50 (fifth or sixth character "6").
The ICD-10 section that covers long-term drug therapy is Z79, with many subsections and specific diagnosis codes.
Code Z13. 89, encounter for screening for other disorder, is the ICD-10 code for depression screening.
During chemotherapy, you want to use the ICD-10 diagnosis code of Z51. 81 for the echocardiogram as the primary diagnosis.
The code Z76. 89 describes a circumstance which influences the patient's health status but not a current illness or injury. The code is unacceptable as a principal diagnosis.
ICD-10 | Cerebral infarction, unspecified (I63. 9)
ICD-10-PCS will be the official system of assigning codes to procedures associated with hospital utilization in the United States. ICD-10-PCS codes will support data collection, payment and electronic health records. ICD-10-PCS is a medical classification coding system for procedural codes.
W19.XXXAUnspecified fall, initial encounter W19. XXXA is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2022 edition of ICD-10-CM W19.