C34.2, C78.89 Sickle-cell crisis with acute chest syndrome. ICD-10-CM Code: D57.01 Bifascicular block. ICD-10-CM Code: I45.2 Sick sinus syndrome.
The left bundle branches into a left posterior fascicle and a left anterior fascicle. Bifascicular block means the heart shows impaired conduction in two fascicles of the right and left bundles.
ICD-9 coding rules: Your choice between 426.51 and 426.52 depends on whether the patient has a left posterior or left anterior fascicular block in addition to right bundle branch block (RBBB).
Z11.4, Z72.52 Alzeheimer's dementia with aggressive behavior. ICD-10-CM Code: G30.9, F02.81 Benign neoplasm of the thymus.
Bifascicular block is a conduction abnormality in the heart where two of the three main fascicles of the His/Purkinje system are blocked.
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.