Summary & Overview

CPT 00800: Anesthesia for Lower Abdominal Procedures

CPT 00800 denotes anesthesia for procedures on the lower abdomen when no more specific anesthesia code applies. This code captures anesthesia care provided during a range of lower abdominal surgical procedures, and it is used in inpatient hospital settings. Nationally, accurate use of this CPT code supports clinical documentation, appropriate claims routing, and consistent communication between anesthesiology teams and payers.

Key payers included in this overview are Aetna, Blue Cross Blue Shield, Cigna Health, and UnitedHealthcare. Readers will find an explanation of the code’s clinical scope and common procedural contexts, alignment with relevant diagnoses and related surgical CPTs, and the common procedural environments where this code is billed. The publication also summarizes typical modifier usage and associated provider taxonomies relevant to anesthesiology and nurse anesthesia practice.

This article provides practical reference material for coding and billing staff, clinical documentation specialists, and health policy analysts seeking clarity on where CPT 00800 fits within anesthesiology service lines. It emphasizes clinical context for coding decisions, common related procedures, and payor coverage considerations without providing prescriptive recommendations. Data not available in the input is identified where applicable.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareCPT 00800AnesthesiologyInpatientLower Abdominal SurgerySurgical AnesthesiaCoding GuidanceClinical DocumentationProcedure Billing

CPT Code Overview

CPT 00800 describes anesthesia services for procedures on the lower abdomen when the procedure is not otherwise specified. The service type is Anesthesiology. The typical site of service for this code is Inpatient Hospital (POS 21).

Data not available in the input.

Clinical & Coding Specifications

Clinical Context

A 34-year-old patient is admitted to the inpatient hospital for evaluation and surgical management of acute lower abdominal pathology. The patient presents with right lower quadrant pain, nausea, and localized tenderness; imaging suggests acute appendicitis. The surgical team schedules an appendectomy under general anesthesia. The anesthesiology team documents perioperative assessment, induction, maintenance, emergence, and postoperative handoff in the inpatient setting (POS 21). Anesthesia services are reported using 00800 when the procedure involves the lower abdomen and the anesthesia service is not otherwise specified by a more specific CPT anesthesia code. Typical workflow includes preoperative assessment by an anesthesiologist or CRNA, intraoperative anesthesia delivery and monitoring, and postoperative recovery management and documentation in the anesthesia record.

Coding Specifications

Modifiers
QS: Monitored anesthesia care service — used to indicate monitored anesthesia care (MAC) when the anesthetic service provided meets MAC definitions.
QX: CRNA service with medical direction by a physician — used when a Certified Registered Nurse Anesthetist (CRNA) provides anesthesia services under the medical direction of a physician.
Associated provider taxonomies

Taxonomy Code	Provider Specialty
`207L00000X`	Anesthesiology — physicians specializing in perioperative anesthesia care and pain management
`367500000X`	Certified Registered Nurse Anesthetist — advanced practice nurses providing anesthesia services
`207LP2900X`	Pain Medicine (Anesthesiology) — anesthesiologists with subspecialty focus in pain management

Related Diagnoses

K35.80 — Acute appendicitis without perforation or gangrene

Relevant because acute appendicitis commonly requires operative intervention (appendectomy) in the lower abdomen; anesthesia services for this procedure are reported with 00800 when applicable.
K40.90 — Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent

Relevant because inguinal hernia repair involves the lower abdominal/groin region; anesthesia for this procedure may be coded with 00800 if a specific anesthesia code is not used.
N83.20 — Unspecified ovarian cysts

Relevant because ovarian cysts can require laparoscopic or open adnexal surgery in the lower abdomen/pelvis; anesthesia services for these procedures may be reported with 00800 when not otherwise specified.
K42.9 — Umbilical hernia without obstruction or gangrene

Relevant because umbilical hernia repair is a lower abdominal procedure; associated anesthesia may be reported with 00800 when appropriate.
K43.9 — Ventral hernia without obstruction or gangrene

Relevant because ventral hernia repair involves the anterior lower abdominal wall; anesthesia services for repair may be reported with 00800 if no specific anesthesia code applies.

Related CPT Codes

CPT Code	Description	Clinical relationship
`49505`	Repair initial inguinal hernia, age 5 years or older; reducible	Hernia repair in the lower abdominal/groin region; anesthesia reported with `00800` when a more specific anesthesia code is not applicable. Often used as the operative procedure for unilateral inguinal hernia (`K40.90`).
`44950`	Appendectomy	Primary surgical procedure for acute appendicitis (`K35.80`); anesthesia provided for lower abdominal surgery and reported under `00800` if appropriate. Commonly paired with `00800` for anesthesia reporting.
`58661`	Laparoscopy, surgical; with removal of adnexal structures (partial or total oophorectomy and/or salpingectomy)	Pelvic/lower abdominal gynecologic surgery for conditions such as ovarian cysts (`N83.20`); anesthesia reported with `00800` when a specific anesthesia code is not designated.
`49585`	Repair umbilical hernia, age 5 years or older; reducible	Midline lower abdominal wall hernia repair (`K42.9`, `K43.9`); anesthesia reported with `00800` if no more specific anesthesia CPT applies.

Summary & Overview

CPT 00800: Anesthesia for Lower Abdominal Procedures

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareCPT 00800AnesthesiologyInpatientLower Abdominal SurgerySurgical AnesthesiaCoding GuidanceClinical DocumentationProcedure Billing

CPT Code Overview

Data not available in the input.

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Modifiers
QS: Monitored anesthesia care service — used to indicate monitored anesthesia care (MAC) when the anesthetic service provided meets MAC definitions.
QX: CRNA service with medical direction by a physician — used when a Certified Registered Nurse Anesthetist (CRNA) provides anesthesia services under the medical direction of a physician.
Associated provider taxonomies

Taxonomy Code	Provider Specialty
`207L00000X`	Anesthesiology — physicians specializing in perioperative anesthesia care and pain management
`367500000X`	Certified Registered Nurse Anesthetist — advanced practice nurses providing anesthesia services
`207LP2900X`	Pain Medicine (Anesthesiology) — anesthesiologists with subspecialty focus in pain management

Related Diagnoses

K35.80 — Acute appendicitis without perforation or gangrene

Relevant because acute appendicitis commonly requires operative intervention (appendectomy) in the lower abdomen; anesthesia services for this procedure are reported with 00800 when applicable.
K40.90 — Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent

Relevant because inguinal hernia repair involves the lower abdominal/groin region; anesthesia for this procedure may be coded with 00800 if a specific anesthesia code is not used.
N83.20 — Unspecified ovarian cysts

Relevant because ovarian cysts can require laparoscopic or open adnexal surgery in the lower abdomen/pelvis; anesthesia services for these procedures may be reported with 00800 when not otherwise specified.
K42.9 — Umbilical hernia without obstruction or gangrene

Relevant because umbilical hernia repair is a lower abdominal procedure; associated anesthesia may be reported with 00800 when appropriate.
K43.9 — Ventral hernia without obstruction or gangrene

Relevant because ventral hernia repair involves the anterior lower abdominal wall; anesthesia services for repair may be reported with 00800 if no specific anesthesia code applies.

Related CPT Codes

CPT Code	Description	Clinical relationship
`49505`	Repair initial inguinal hernia, age 5 years or older; reducible	Hernia repair in the lower abdominal/groin region; anesthesia reported with `00800` when a more specific anesthesia code is not applicable. Often used as the operative procedure for unilateral inguinal hernia (`K40.90`).
`44950`	Appendectomy	Primary surgical procedure for acute appendicitis (`K35.80`); anesthesia provided for lower abdominal surgery and reported under `00800` if appropriate. Commonly paired with `00800` for anesthesia reporting.
`58661`	Laparoscopy, surgical; with removal of adnexal structures (partial or total oophorectomy and/or salpingectomy)	Pelvic/lower abdominal gynecologic surgery for conditions such as ovarian cysts (`N83.20`); anesthesia reported with `00800` when a specific anesthesia code is not designated.
`49585`	Repair umbilical hernia, age 5 years or older; reducible	Midline lower abdominal wall hernia repair (`K42.9`, `K43.9`); anesthesia reported with `00800` if no more specific anesthesia CPT applies.

National Reimbursement Benchmarks

National mean rates for 00800 show a clear gap between Medicare-level reimbursement and the average commercial benchmark (BUCA). The BUCA mean ($141.10) is substantially higher than Medicare-level rates typically observed for surgical/procedural billing, while several commercial payers such as Cigna ($249.00) and Blue Cross Blue Shield ($242.32) report considerably higher mean rates than BUCA.

Rate dispersion (P75 minus P25) varies across payers. Cigna and Aetna exhibit the widest dispersion (Cigna: $258.00 range, Aetna: $261.67 range), indicating broader variability in negotiated or billed rates. UnitedHealth Group is the tightest (UHC range: $25.33), followed by BUCA (range: $155.17) and BCBS (range: $144.00). The table and chart below present the full numerical breakdown.

State Benchmarks

State: Alaska1 / 50

Alaska Benchmarks

Alaska demonstrates a significant rate spread for CPT code 00800 across commercial payers. Blue Cross Blue Shield shows the widest spread, with a 75th percentile rate of $300.00 and a 25th percentile rate of $225.80, resulting in a $74.20 difference. BUCA also exhibits a notable spread of $124.30 between its 75th and 25th percentiles. In contrast, Aetna and UnitedHealth Group have minimal rate variation, with spreads of $0.00 and $4.00, respectively, indicating highly standardized reimbursement.

Compared to national averages, Alaska's mean rates for Blue Cross Blue Shield and BUCA are substantially higher, while Cigna and UnitedHealth Group are below their national means. The table and chart below present the full breakdown of payer-specific rates for Alaska, highlighting the diversity in reimbursement levels across the state.

Key Insights for Alaska

Blue Cross Blue Shield is the highest paying payer for CPT 00800 in Alaska, with a mean rate of $269.24.
UnitedHealth Group offers the lowest mean rate at $75.12.
Alaska's mean rates for most payers are higher than their respective national averages, especially for Blue Cross Blue Shield and BUCA.

CPT 00840: Anesthesia for Intraperitoneal Procedures in Lower Abdomen

00834-ANESTHESIA-FOR-HERNIA-REPAIRS-IN-THE-LOWER-ABDOMEN-NOT

CPT 00834: Anesthesia for Pediatric Lower Abdominal Hernia Repair

00836-ANESTHESIA-FOR-HERNIA-REPAIRS-IN-LOWER-ABDOMEN-PATIENT-IS

CPT 00836: Anesthesia for Lower Abdominal Hernia Repair in Preterm Infants

00882-UNDER-ANESTHESIA-FOR-PROCEDURES-ON-THE-LOWER

CPT 00882: Anesthesia for Lower Abdomen Procedures

CPT-00812-ANESTHESIA-COLONOSCOPY-BELOW-DUODENUM

CPT 00812: Anesthesia for Screening Colonoscopy Below the Duodenum

00866-ANESTHESIA-FOR-PROCEDURES-IN-LOWER-ABDOMEN-INCLUDING

CPT 00866: Anesthesia for Lower Abdomen Procedures Including Colonoscopy

00820-ANESTHESIA-FOR-PROCEDURES-ON-LOWER-ABDOMEN-NOT-OTHERWISE

CPT 00820: Anesthesia for Lower Abdominal Procedures

00880-ANESTHESIA-FOR-PROCEDURES-ON-MAJOR-LOWER-ABDOMINAL-VESSELS

CPT 00880: Anesthesia for Major Lower Abdominal Vessel Procedures

00802-ANESTHESIA-FOR-PROCEDURES-ON-LOWER-ANTERIOR-ABDOMINAL

CPT 00802: Anesthesia for Lower Anterior Abdominal Wall Procedures

00848-ANESTHESIA-FOR-INTRAPERITONEAL-PROCEDURES-IN-LOWER-ABDOMEN

CPT 00848: Anesthesia for Pelvic Exenteration in Lower Abdomen

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OpenPayer

Summary & Overview

CPT 00800: Anesthesia for Lower Abdominal Procedures

CPT Code Overview

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

OpenPayer

Summary & Overview

CPT 00800: Anesthesia for Lower Abdominal Procedures

CPT Code Overview

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

National Reimbursement Benchmarks

State Benchmarks

Alaska Benchmarks

Key Insights for Alaska

Related Codes

National Reimbursement Benchmarks

State Benchmarks

Alaska Benchmarks

Key Insights for Alaska

Related Codes