What is a valid reason to use an ICD-10 sign/symptom code instead of a specific diagnosis?

• A. When the available medical record does not establish a specific diagnosis.
• B. To avoid charting.
• C. To improve reimbursement without documentation.
• D. When the patient requests it.

Answer: (A)

When a definite diagnosis hasn’t been established in the chart, you use an ICD-10 sign/symptom code to accurately reflect what the clinician observed or treated—the presenting problem—until a specific disease can be diagnosed. This keeps the medical record honest about what is known and ensures proper medical necessity for services and reimbursement. It’s a provisional or symptomatic approach, used because the record doesn’t yet support a specific diagnosis.

The other ideas aren’t appropriate: coding to avoid charting is unethical and unsafe because it hides what actually occurred; trying to boost reimbursement without documentation misrepresents care and can trigger audits; and patient requests don’t determine coding—the code must reflect the documented condition, not what the patient wants.