Summary & Overview
CPT 00851: Anesthesia for Intraperitoneal Procedures in Lower Abdomen
CPT code 00851 represents anesthesia services for intraperitoneal procedures in the lower abdomen, including laparoscopic interventions. This code is widely used in surgical settings where anesthesia is required for minimally invasive or open procedures within the peritoneal cavity. The code is relevant for both clinical and billing teams, as it ensures proper documentation and reimbursement for anesthesia care during these procedures.
Major national payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, and UnitedHealthcare. Understanding payer coverage and policy updates for CPT code 00851 is critical for hospitals, ambulatory surgery centers, and anesthesia providers to maintain compliance and optimize billing practices.
Readers will gain insight into the clinical context of CPT code 00851, including its typical use in outpatient hospital settings. The publication also highlights common modifiers, associated provider taxonomies, and related CPT codes, offering a comprehensive overview of the billing landscape. Key benchmarks and policy updates are discussed to inform stakeholders about current trends and requirements for anesthesia services in lower abdominal procedures. This summary provides a clear foundation for understanding the importance and application of CPT code 00851 in medical billing and clinical practice.
CPT Code Overview
CPT code 00851 is used to report anesthesia services for intraperitoneal procedures in the lower abdomen, including laparoscopy. This code applies to procedures that require anesthesia support during minimally invasive or surgical interventions within the peritoneal cavity. The service type is anesthesia, and the typical site of service is an outpatient hospital (Place of Service 22). This code is essential for accurately documenting and billing anesthesia care provided during these abdominal procedures.
Clinical & Coding Specifications
Clinical Context
A typical patient scenario involves a female patient presenting to an outpatient hospital setting for a laparoscopic intraperitoneal procedure in the lower abdomen. Common indications include elective sterilization, management of endometriosis, evaluation or treatment of infertility, or addressing chronic pelvic pain such as dysmenorrhea. The clinical workflow includes preoperative assessment, administration of anesthesia by an anesthesiologist, CRNA, or anesthesiology assistant, intraoperative monitoring, and postoperative recovery. The anesthesia service is documented using CPT code 00851 for the procedure.
Coding Specifications
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Modifiers:
QS: Monitored anesthesia care service. Used when anesthesia is provided in a manner that allows the patient to remain responsive and breathing independently, typically for less invasive procedures or when deep sedation is not required.QX: CRNA service with medical direction by a physician. Used when a Certified Registered Nurse Anesthetist (CRNA) provides anesthesia under the medical direction of a physician.
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Provider Taxonomies:
| Taxonomy Code | Specialty Name |
|---|---|
207L00000X | Anesthesiology |
367500000X | Certified Registered Nurse Anesthetist |
207RA0401X | Anesthesiology Assistant |
- Specialties Represented:
- Anesthesiology: Physicians specializing in anesthesia care.
- Certified Registered Nurse Anesthetist: Advanced practice nurses trained in anesthesia.
- Anesthesiology Assistant: Allied health professionals assisting in anesthesia delivery.
Related Diagnoses
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Z30.2: Encounter for sterilization- Relevant for patients undergoing elective sterilization procedures such as tubal ligation, which often require intraperitoneal anesthesia.
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N97.9: Female infertility, unspecified- Pertinent for patients undergoing diagnostic or therapeutic laparoscopy to evaluate or treat infertility.
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Z98.51: Tubal ligation status- Indicates a history of tubal ligation, relevant for follow-up procedures or evaluation.
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N80.1: Endometriosis of ovary- Applies to patients undergoing laparoscopy for diagnosis or treatment of ovarian endometriosis.
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N94.6: Dysmenorrhea, unspecified- Used for patients with chronic pelvic pain or menstrual disorders who may require laparoscopic evaluation or intervention.
Related CPT Codes
| CPT Code | Description |
|---|---|
58670 | Laparoscopy, surgical; with fulguration of oviducts (with or without transection) |
58671 | Laparoscopy, surgical; with occlusion of oviducts by device (e.g., band, clip, or Falope ring) |
00840 | Anesthesia for intraperitoneal procedures in lower abdomen |
99100 | Anesthesia for patient of extreme age, younger than 1 year and older than 70 |
58670and58671are surgical procedures commonly performed in the lower abdomen, often requiring anesthesia services billed with00851.00840is an alternative anesthesia code for similar intraperitoneal procedures in the lower abdomen, used when the procedure specifics differ from those covered by00851.99100is an add-on code for anesthesia in patients of extreme age and may be used in conjunction with00851when applicable.
National Reimbursement Benchmarks
National mean rates for CPT code 00851 show that commercial payers (BUCA average) reimburse at $176.71, while Medicare rates are not available in the input. Among individual commercial payers, Cigna and Blue Cross Blue Shield have the highest mean rates at $352.10 and $345.00, respectively, with UnitedHealth Group significantly lower at $65.57.
Rate dispersion varies widely across payers. Aetna exhibits the widest spread, with a difference of $382.57 between its 75th and 25th percentiles, indicating substantial variability in contracted rates. In contrast, UnitedHealth Group has the tightest range at $25.30, suggesting more consistent reimbursement levels. The table and chart below present the full breakdown of national benchmarks for each payer.
State Benchmarks
State: AK1 / 50
Alaska Benchmarks
Alaska displays a significant rate spread for CPT code 00851, particularly with Blue Cross Blue Shield, where the 75th percentile ($536.00) is substantially higher than the 25th percentile ($324.17), resulting in a spread of $211.83. BUCA also shows a notable spread of $224.31 between its 75th and 25th percentiles. In contrast, Aetna and UnitedHealth Group have minimal spreads, with all percentiles clustered around $72.00, indicating little variation in rates. Cigna's rates are tightly grouped as well, with a spread of only $8.00.
Compared to national averages, Alaska's mean rates for Blue Cross Blue Shield and BUCA are considerably higher, while Cigna and UnitedHealth Group are lower than their respective national means. The table and chart below present the full breakdown of payer-specific reimbursement rates in Alaska.
Key Insights for Alaska
- Blue Cross Blue Shield is the highest paying payer in Alaska for CPT 00851, with a mean rate of $418.91.
- UnitedHealth Group offers the lowest mean rate at $75.12.
- Alaska's mean rates for most payers are notably higher than national averages, especially for Blue Cross Blue Shield and BUCA.
Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.