A patient needed extraction, has hypertension (150/100) and HbA1c 7.5%. For what reason is referral necessary?

BLOOD PRESSURE 150/100 mmHg = Stage 2 Hypertension. ADA/AHA guidelines recommend: BP ≥160/100 — defer elective treatment and refer. BP 140-159/90-99 — can treat with caution; monitor. However, for EXTRACTION (surgical procedure) with BP 150/100, referral/medical consultation for BP control before elective extraction is warranted. HbA1c 7.5% is well-controlled (below 8% threshold for dental treatment caution). The HIGH BLOOD PRESSURE is the primary concern for referral. A is correct.