Summary & Overview
CPT 64488: Bilateral Transversus Abdominis Plane (TAP) Block
CPT code 64488 represents a bilateral transversus abdominis plane (TAP) block delivered by injection to provide regional analgesia for lower abdominal pain, commonly used in the perioperative setting. As an anesthesia and pain-management procedure, this code matters nationally because it supports multimodal analgesia strategies that can reduce systemic opioid use, shorten recovery times, and enable same-day discharge for some lower abdominal procedures.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context and where the procedure is typically performed (operating rooms, ambulatory surgical centers, and procedure suites), along with benchmarks and coverage considerations relevant to national payers. The publication outlines typical billing practices, common modifiers encountered, and expected sites of service.
This report is designed to help billing staff, anesthesiology departments, and revenue cycle teams understand how CPT code 64488 is used in clinical practice, what coverage and documentation issues to anticipate with major national payers, and how the code fits into broader pain management and perioperative care pathways. Data not available in the input are noted where applicable.
Billing Code Overview
CPT code 64488 describes a bilateral transversus abdominis plane (TAP) block performed by injections. This regional anesthesia technique is intended to diminish postoperative or procedure-related pain originating from the lower abdominal wall.
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Service type: Peripheral nerve block / regional anesthesia
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Typical site of service: Operating room, ambulatory surgical center, or procedure suite associated with lower abdominal surgery or other interventions causing abdominal wall pain
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Clinical & Coding Specifications
Clinical Context
A typical patient is a 38-year-old woman scheduled for an elective lower abdominal procedure such as a laparoscopic hysterectomy or open appendectomy who will receive perioperative analgesia. In the preoperative holding area or immediately after induction of general anesthesia in the operating room, an anesthesiologist or regional anesthesia-trained provider performs a bilateral transversus abdominis plane (TAP) block using ultrasound guidance. The provider identifies the fascial plane between the internal oblique and transversus abdominis muscles and injects local anesthetic on both sides to diminish somatic pain from the anterior abdominal wall. Documentation includes indication (e.g., postoperative pain control for lower abdominal surgery), laterality (bilateral), technique (ultrasound-guided), drugs and volumes used, needle type, patient tolerance, and any imaging guidance. The procedure may occur in the ambulatory surgery center, hospital operating room, or perioperative block area. Typical workflow: informed consent and time-out, patient positioning, sterile prep, ultrasound scanning, needle placement, incremental aspiration and injection with monitoring, post-block assessment, and documentation of block onset and checks for complications such as local anesthetic systemic toxicity or inadvertent organ puncture.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
50 | Bilateral procedure | Used when billing indicates bilateral TAP block performed when payer still requires explicit bilateral modifier (some payers accept single bilateral code ). |