For a new patient with a BMI of 38, which section of the SOAP note—Subjective, Objective, Assessment, or Plan—should this information be documented in?

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Last updated: March 20, 2026 • View editorial policy

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SOAP Note Documentation for BMI

BMI of 38 belongs in the Objective section of your documentation.

Understanding SOAP Note Components

The SOAP note format organizes clinical documentation into four distinct categories 1, 2, 3:

Objective Section - Where BMI Belongs

BMI is objective data because it is a measured, calculated value derived from height and weight measurements 4, 2. The Objective section contains:

  • Physical examination findings 2, 3
  • Vital signs and anthropometric measurements 4
  • Laboratory and diagnostic test results 1, 3
  • Calculated values like BMI 5, 4

Why BMI is Not Subjective

The Subjective section contains patient-reported symptoms, complaints, and history—information the patient tells you 1, 2, 3. BMI is not patient-reported; it is a mathematical calculation (weight in kg divided by height in meters squared) 6, 5, 7.

Why BMI is Not Assessment

The Assessment section contains your clinical interpretation, diagnoses, and clinical reasoning 1, 2, 8. While you would document "obesity" (the diagnosis) in the Assessment section, the actual BMI value of 38 is raw objective data 5, 9, 4.

Why BMI is Not Plan

The Plan section documents your management strategy, including interventions, medications, referrals, and follow-up 1, 2, 3. BMI is a measurement, not a treatment plan.

Clinical Context

A BMI of 38 kg/m² classifies this patient as having Class II obesity (BMI 35.0-39.9 kg/m²) 4. This objective measurement should prompt you to:

  • Document "Class II obesity" in your Assessment section 9, 4
  • Screen for obesity-related complications in your clinical evaluation 9, 4
  • Develop an appropriate management plan addressing weight and associated comorbidities 10, 4

References

Research

The essential SOAP note in an EHR age.

The Nurse practitioner, 2016

Guideline

american association of clinical endocrinology consensus statement: algorithm for the evaluation and treatment of adults with obesity/adiposity-based chronic disease - 2025 update.

Endocrine practice : official journal of the American College of Endocrinology and the American Association of Clinical Endocrinologist, 2025

Guideline

obesity: assessment and management in primary care.

American family physician, 2001

Research

Modeling problem-oriented clinical notes.

Methods of information in medicine, 2012

Guideline

american association of clinical endocrinologists and american college of endocrinology comprehensive clinical practice guidelines for medical care of patients with obesity.

Endocrine practice : official journal of the American College of Endocrinology and the American Association of Clinical Endocrinologist, 2016

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.