Primary Care Coding Alert

Question: An established patient presents for a follow-up for hyperlipidemia and mentions receiving two smartwatch alerts indicating detection of atrial fibrillation (AFib). The documentation says the patient denies chest pain and syncope but reports intermittent palpitations. The physician reviews the smartwatch data, performs an exam, performs and interprets a 12-lead electrocardiogram (ECG) in the office, refers the patient to cardiology, and continues statin therapy. What codes should I report for the office visit and diagnosis?

Illinois Subscriber

Answer: The encounter supports a moderate level of medical decision making (MDM) for an evaluation and management (E/M) service because the physician addresses the patient’s hyperlipidemia and also evaluates palpitations and possible arrhythmia.

The provider reviews the patient’s smartwatch alerts, assesses symptoms, performs an exam as well as prescription drug management, and makes a referral to cardiology for further evaluation.

Taken together, these elements support 99214 (Office or other outpatient visit for the evaluation and management of an established patient, which requires a medically appropriate history and/or examination and a moderate level of medical decision making. When using time for code selection, 30-39 minutes of total time is spent on the date of the encounter.). The evaluation of the new symptom-driven cardiac concern and the physician’s workup and referral decisions support the moderate level of MDM.

The performance and interpretation/report of a 12-lead ECG call for 93000 (Electrocardiogram, routine ECG with at least 12 leads; with interpretation and report).

Coding tip: The E/M service must stand on its own as a significant, separately identifiable service beyond the work inherently associated with the ECG. In this case, the separately reportable office visit is supported by the physician’s broader evaluation of the patient’s palpitations, including symptom assessment, examination, and referral. Reporting the E/M visit and ECG together in the same visit requires appending modifier 25 (Significant, separately identifiable evaluation and management service by the same physician or other qualified health care professional on the same day of the procedure or other service) to the E/M service code. So, for the encounter, you’d report 99214-25 and 93000.

For diagnosis coding, report ICD-10-CM code R00.2 (Palpitations) as the primary diagnosis, as the evaluation of palpitations drives the encounter and supports the ECG. The smartwatch alert does not establish a diagnosis of atrial fibrillation; do not assign a code from category I48.- (Atrial fibrillation and flutter) unless the provider documents confirmed atrial fibrillation.

Even though the hyperlipidemia was the scheduled reason for the visit, you should report E78.5 (Hyperlipidemia, unspecified) as an additional diagnosis only if the condition is addressed and managed. If the documentation supports a more specific diagnosis code, use that instead.

Rachel Dorrell, MA, MS, CPC-A, CPPM, Production Editor, AAPC