Definition
The SOAP format is a clinical documentation system that organizes each session note into four sections: Subjective (what the client reports in their own words), Objective (verifiable observations by the professional), Assessment (clinical interpretation and differential reasoning), and Plan (agreed therapeutic next steps). It allows clear, auditable communication about the client's status.
How it's used
The Subjective section captures the client's narrative: their literal words, presenting complaints, and changes reported since the previous session. It does not include the therapist's interpretations.
The Objective section documents what the professional directly observes: apparent mood, activation level, body language, results from standardized scales, or any measurable data. It is the observable evidence.
The Assessment section integrates the subjective and objective to generate a clinical reading: diagnostic hypotheses, risk level, progress toward previous goals. This is the core of clinical reasoning.
The Plan section closes the note with concrete actions: techniques to work on in the next session, homework assigned to the client, treatment adjustments, or necessary referrals.
When to apply
SOAP is the predominant standard in individual psychotherapy, medicine, and clinical social work. It is especially useful when the professional works in a team or when another colleague needs to understand a case quickly. It also facilitates review in clinical supervision.
Historical origin
The format was introduced in the 1960s by Dr. Lawrence Weed as part of the POMR (Problem-Oriented Medical Record) system. It was progressively adopted by psychology and social work due to its clarity and compatibility with insurance billing standards in the US. Today it is one of the most widely used clinical documentation formats globally.
How CauceOS supports it
CauceOS automatically generates a SOAP draft at the end of each session. The system structures the transcript into four sections using the conversation context, identifies recurring themes as "Subjective," and the professional's interventions as "Assessment." The professional reviews and adjusts the draft before saving — it never replaces clinical judgment, it accelerates it.
Related terms
- DAP — three-section alternative widely used in social work
- BIRP — format oriented toward behavioral interventions
References
- Weed, L. L. (1968). Medical records that guide and teach. New England Journal of Medicine.
- Cameron, S., & Turtle-Song, I. (2002). Learning to write case notes using the SOAP format. Journal of Counseling & Development.
- American Psychological Association. (2017). Record Keeping Guidelines.