The correct depression unspecified ICD-10 code is F32.9. This code represents Major depressive disorder, single episode, unspecified. Use F32.9 when the physician documents depression without specifying severity. Do not confuse F32.9 with F33.9 (recurrent depression). The unspecified depressive disorder code F32.9 is for first episodes. Major depressive disorder single episode coding requires symptom count documentation. Never use F32.9 when severity (mild, moderate, […]