While you cannot diagnose OSDD-1b, you can track your experiences to prepare for a professional evaluation. Do not ask, "Do I have OSDD-1b?" Ask these specific questions:
Cost: $150–$500 per session, often covered by insurance if coded as "diagnostic evaluation" (CPT 90791).
OSDD-1b is a subtype of Otherwise Specified Dissociative Disorder (OSDD), a diagnosis in the DSM-5. It is similar to Dissociative Identity Disorder (DID) but with one key difference: osdd-1b test
Some people also describe OSDD-1a (less distinct alters, more amnesia) and OSDD-1b (distinct alters, no amnesia), though the DSM-5 groups them under OSDD-1.
A crucial part of "testing" is ruling out other conditions that mimic OSDD-1b. While you cannot diagnose OSDD-1b, you can track
If you are looking for evidence-based measures, these are the most common:
What is OSDD-1b? OSDD-1b (Other Specified Dissociative Disorder) is a clinical diagnosis describing a system that experiences distinct dissociative states (often called "alters" or "parts") but does not experience the amnesia (memory gaps) found in Dissociative Identity Disorder (DID). Individuals with OSDD-1b usually have continuity of memory between parts, but the parts are clearly distinct and differentiated. OSDD-1b is a subtype of Otherwise Specified Dissociative
This "paper" is a structured self-reflection tool designed to help you think through the criteria often used by professionals.