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A PIE note is a three-part progress note format that organizes a session into Problem, Intervention, and Evaluation. Each entry hangs off a numbered problem from the client's problem list; there is no separate assessment or plan section, so interpretation and next steps live inside the entry. Behavioral health and nursing-adjacent teams use it for problem-focused charting. A typical PIE note runs 100 to 250 words.
Therapists, counselors, psychiatric nurses, community behavioral health teams
Treating clinician, care team, supervisors, payers, auditors
100 to 250 words · 10 to 15 minutes by hand (clinical team estimate)
Structured progress note (compare: SOAP, DAP, BIRP; APIE and PIRP are sibling variants)
After each session, one P-I-E entry per problem addressed
A documentation convention, not a mandated form; payers regulate the record's content, not its headings
PIE stands for Problem, Intervention, Evaluation. The format began in nursing: staff on a 35-bed medical unit at Craven County Hospital in New Bern, North Carolina built it to unify the care plan and progress notes into one problem-focused record, publishing it in the June 1985 Quality Review Bulletin (Siegrist, Dettor, and Stocks). Behavioral health teams later adopted the same three-section pattern for session charting, and close variants add sections: APIE opens with an assessment step, while PIRP and GIRP bring back an explicit plan. Some clinicians also call it PIE charting or a problem-focused note.
Two clarifications save confusion. First, a PIE note is not the PIE system social workers learn for assessment: the Person-in-Environment classification (Karls and Wandrei, NASW Press, 1994) is a taxonomy for describing social functioning problems, not a progress note format. Second, no law or payer mandates PIE or any other heading scheme. Medicare's Program Integrity Manual states that progress notes "may be in any form or format," and what regulators and payers police is the content: identifiers, interventions, response, time, and signature. A PIE note is a progress note, part of the standard clinical record, not a psychotherapy note under HIPAA.
Because every entry hangs off a numbered problem, a reviewer can follow one problem across weeks of notes without rereading whole sessions. That suits problem-list settings: community mental health programs, inpatient psychiatric and other nursing-adjacent units where PIE charting began, case management, and clinics where several providers work the same treatment plan. A session that touches several problems produces several short entries rather than one long narrative. If your chart is shared with medical teams that expect separate observations and an explicit plan, SOAP reads more completely; solo outpatient work that tracks goals forward often prefers DAP, and payer-facing programs that want the intervention-and-response thread explicit choose BIRP.
Each section in more detail, with the pitfall that most often undermines it:
P: Problem. The problem being worked this session, stated concretely and keyed to the problem list ("Problem 2: depressed mood with social withdrawal"). Include current status: the client's report, your observations, and any scores. Client quotes and newly reported symptoms belong here too, because PIE has no separate Subjective section. Pitfall: a vague problem ("client struggling") or a new, unnumbered problem each session; an entry that tracks to nothing on the treatment plan breaks the medical-necessity chain.
I: Intervention. The specific therapeutic work you delivered against that problem: the technique used, the skill taught, the material reviewed. Pitfall: naming only the modality ("provided CBT"); auditors read this section for the actual intervention, not the brand of therapy.
E: Evaluation. The client's response to the intervention and progress on the problem, measurable where possible. PIE has no plan section, so next steps, homework, and any treatment-plan change live here, with dates. Pitfall: grading attendance ("client engaged well") instead of response, and leaving next steps nowhere in the record.
A session that works several problems gets several short entries: P1-I1-E1, then P2-I2-E2. Combining two problems under one P is acceptable when the interventions genuinely overlapped; clarity is the test.
Client: [initials] Date: Session #: Service: [individual/group/telehealth] Start/stop time: Problem # (from treatment plan): P (Problem): I (Intervention): E (Evaluation): Clinician signature/credentials: Date signed:
Free to use and share, no signup. The PDF includes a one-page cheat sheet with section-by-section pitfalls and a pre-sign checklist; the DOCX is the blank template, ready to adapt.
Scenario: adult client, major depressive disorder, community mental health clinic, behavioral activation, session 8 of a planned 16. All details are fictional.
Client: R.L., 41 · Date: 07/09/2026 · Session: 8 · Service: Individual psychotherapy, 45 min, community clinic · Start/stop: 14:02 to 14:47
P: Problem 2: depressed mood with social withdrawal (treatment plan of 05/14/2026). Client described the week as "flat, but steadier than June," rating mood 4/10 most days. Attended one social outing since last session and left after 20 minutes. PHQ-9 today: 12, down from 16 at intake. Denied suicidal ideation, self-harm urges, and substance use.
I: Reviewed the behavioral activation log line by line. Used graded task assignment to split the community college enrollment goal into three steps and rehearsed a coping statement for urges to leave social situations early. Scheduled two pleasant activities with the client for the coming week.
E: Client completed 4 of 7 planned activities this week, up from 2 the week prior, and connected leaving the outing early to the avoidance pattern identified in session 6. Progress on Problem 2 is measurable and consistent with the PHQ-9 trend. Next steps: client will request her transcript (step one of enrollment) before next session; continue weekly sessions; re-administer PHQ-9 at session 10. Risk: denies ideation; continue routine monitoring. Next appointment 07/16/2026.
This sample is fictional and for educational purposes. It does not describe a real patient.
Writing these after every session? BastionGPT drafts complete notes from bullets, dictation, or a transcript.
Generate a note from bulletsA PIE note is part of the designated record set: clients can request it, payers can audit it, and other providers may rely on it. Write each entry as if a colleague, a reviewer, and the client will read it, and keep private reflections and hypothesis-level process material out; that content belongs in segregated psychotherapy notes with their own authorization rules.
For payer work, the missing plan section is the thing to manage. No payer mandates a heading scheme; what reviewers expect is content that ties the session to a current treatment plan and supports the code billed. Reference the plan's problem numbers in P, and treat plan currency as a billing requirement: Arizona's Medicaid program, for example, denies claims when the treatment plan on file is more than a year old at the date of service (edit MD466). For time-based psychotherapy codes (90832, 90834, 90837), Medicare contractor guidance expects start and stop times or total time in the record, and timed codes billed in 15-minute units, such as H0004, need the note's documented duration to support the units claimed. Telehealth sessions add modality, consent, and client-location details on top of whichever format you chart in.
Audit findings target the note's content, never the choice of PIE over SOAP. In Medicare's 2024 reporting-period data for outpatient psychiatric services, insufficient documentation drove 78.3% of improper payments, and a national OIG audit of psychotherapy claims estimated $580 million in improper payments, with missing time documentation and missing signatures among the most common problems. State Medicaid programs publish the same lesson with denial codes attached: Arizona Medicaid's March 2025 documentation workshop shows claims denied when the note lacks patient identifiers (edit MD405), when the code or units billed do not match what the progress note documents (edit MD418), or when no valid treatment plan covers the date of service (edit MD466). The BastionGPT Clinical Advisory Board sees the same errors most often in PIE note reviews:
BastionGPT is specifically trained, tuned, and clinically tested on PIE notes.
See how clinicians use it day to day on the AI therapy notes page.
Many BastionGPT users report saving more than 90 minutes per day on documentation.
HIPAA-compliant with a signed BAA on every plan. Your data is never used to train models. BastionGPT drafts, you review and sign.
Most PIE notes run 100 to 250 words per problem entry and take 10 to 15 minutes to write by hand. The format is deliberately brief: one problem, what you did about it, and how the client responded. A session that covers several problems produces several short entries rather than one long note.
PIE drops the sections the other formats keep separate. SOAP splits the client's report from your observations and ends with a plan; DAP merges those into a Data section but keeps Assessment and Plan. PIE folds everything into the problem statement, the intervention, and the evaluation of response. See the SOAP note and DAP note templates for the side-by-side structures.
No. The Person-in-Environment system (Karls and Wandrei, NASW Press, 1994) is a classification taxonomy social workers use to describe problems in social functioning during assessment. The PIE progress note is a charting format that began in nursing. A social worker can use both in the same chart: one classifies problems, the other documents sessions.
In the Evaluation section, with dates. PIE has no plan heading, so write next steps, homework, and the next appointment at the end of E, and keep the client's treatment plan current: payers can deny claims when no valid plan covers the date of service, whatever note format you use. If your agency wants a visible plan heading, PIRP and GIRP are the sibling formats that add one.
Yes. No payer mandates a note format: Medicare's Program Integrity Manual states progress notes "may be in any form or format." Requirements can vary by payer, organization, and jurisdiction, so check your contracts. What reviewers consistently look for is content: the diagnosis, the specific intervention delivered, the client's response, time for time-based codes, and a prompt signature with credentials.
Convention is one P-I-E block per problem addressed, numbered to the problem list, so each problem can be followed across sessions. Combining two related problems under one P is acceptable when the interventions genuinely overlapped; clarity is the test, and no payer rule limits how many entries one session produces.
Yes. Nurses on a medical unit at Craven County Hospital in New Bern, North Carolina developed it to unify the care plan and progress notes, and published it in the June 1985 Quality Review Bulletin (Siegrist, Dettor, and Stocks). Behavioral health teams adopted it later, and nursing programs still teach it, sometimes as APIE with an assessment step first.
There is no universal HIPAA retention rule for patient charts; HIPAA's six-year rule covers required documentation such as policies, not patient records. Retention comes from state, provincial, and payer rules: Ontario's CRPO expects at least 10 years from the last interaction, and New South Wales requires 7 years for adults and until age 25 for minors. Check your jurisdiction and payer contracts.
Yes. Paste a transcript, dictate, or give it bullets, and it produces numbered P-I-E entries for your review. It can also convert SOAP, DAP, or BIRP notes you already have into PIE format. BastionGPT is HIPAA-compliant with a signed BAA on every plan, and your data is never used to train models.
The compliance claims on this page trace to these authorities, last verified July 2026:
Educational content, not legal or billing advice. Sample notes are fictional. Follow your organization's policies and your board, payer, and jurisdiction requirements.