CPT 99183 Hyperbaric Oxygen Therapy Reimbursement | OpenPayer

Summary & Overview

CPT 99183: Supervision of Hyperbaric Oxygen Therapy

CPT code 99183 denotes clinician attendance and supervision of hyperbaric oxygen therapy (HBOT), a specialized procedure used to treat decompression sickness, severe burns, chronic ulcers, and nonhealing wounds. HBOT is clinically significant because it can enhance oxygen delivery to hypoxic tissues, support wound healing, and, in select acute conditions, be lifesaving. As HBOT is delivered in controlled, pressurized environments, appropriate provider supervision is critical for patient safety and treatment efficacy.

Key payers included in the national view are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context, typical sites of service, and the service type associated with CPT code 99183. The publication also covers payer coverage scope, common billing modifiers, and related coding considerations where available. Additionally, it presents benchmarking and reimbursement context, highlights policy updates affecting HBOT supervision billing, and clarifies documentation expectations relevant to payment review.

This summary is intended for national audiences including providers, billing professionals, and policy analysts seeking a focused reference on CPT code 99183, its clinical role, and payer landscape. Data not available in the input are noted where applicable.

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Billing Code Overview

CPT code 99183 describes the provider attendance and supervision of hyperbaric oxygen therapy (HBOT) administered to a patient to treat conditions such as decompression sickness, burns, ulcers, and nonhealing wounds. The service emphasizes the clinician’s role in overseeing the therapeutic delivery of 100% oxygen at greater-than-atmospheric pressures to support tissue oxygenation and wound healing.

Service type: Procedural supervision and attendance for hyperbaric oxygen therapy.

Typical site of service: Hospital-based hyperbaric medicine unit, outpatient wound care center, or specialized hyperbaric treatment facility.

Data not available in the input for associated taxonomies, ICD-10 diagnoses, and related service-line specifics.

Clinical & Coding Specifications

Clinical Context

A 58-year-old patient with a chronic, nonhealing diabetic foot ulcer is scheduled for a course of hyperbaric oxygen therapy (HBOT). The patient presents to an outpatient hyperbaric medicine center where an HBOT-certified physician evaluates wound status, documents wound measurements and prior treatments, and supervises the therapy sessions. The typical workflow includes pre-treatment vital signs and focused exam, review of indications and contraindications, consent confirmation, and placement of the patient into a monoplace or multiplace hyperbaric chamber. The provider attends the chamber during pressurization and treatment, supervises oxygen delivery and patient safety, documents treatment start and stop times, and assesses the patient immediately post-treatment for tolerance and adverse events. Subsequent sessions occur daily (commonly 20–40 sessions for nonhealing wounds) with periodic reassessment of wound progress and documentation of medical necessity for continued therapy.

Coding Specifications

Modifier	Description	When to Use
`26`	Professional component	Use when billing only the physician professional component for interpretation/supervision distinct from facility technical services.
`TC`	Technical component

CPT 99173: Pediatric Visual Acuity Screening

CPT-99174-VISION-SCREENING-BOTH-EYES-INSTRUMENT-BASED

CPT 99174: Instrument-Based Vision Screening of Both Eyes

CPT-99172-FUNCTIONAL-VISION-ASSESSMENT-JOB-FITNESS

CPT 99172: Functional Vision Assessment for Job Fitness

CPT-99188-FLUORIDE-ADHESIVE-APPLICATION-TOOTH-SURFACE

CPT 99188: Fluoride Adhesive Application to Tooth Surface

CPT-99199-UNLISTED-MEDICINE-SERVICE-PROCEDURE

CPT 99199: Unlisted Medicine Service or Procedure

CPT-99195-THERAPEUTIC-PHLEBOTOMY-BLOOD-REMOVAL

CPT 99195: Therapeutic Phlebotomy for Blood Component Reduction

CPT-99170-FORENSIC-PEDIATRIC-SEXUAL-ABUSE-EXAM-MICROSCOPY

CPT 99170: Forensic Pediatric Sexual Abuse Examination with Microscopy

CPT-99190-PERFUSION-PUMP-OXYGENATOR-OPERATION

CPT 99190: Perfusion Pump–Oxygenator Operation, Hourly

CPT-99191-PUMP-OXYGENATOR-EXTRACORPOREAL-CIRCULATION-45MIN

CPT 99191: Pump–Oxygenator/Heat Exchanger Operation, 45 Minutes

CPT-99184-NEONATAL-THERAPEUTIC-HYPOTHERMIA-TEMPERATURE-MANAGEMENT

CPT 99184: Neonatal Therapeutic Hypothermia with Esophageal Temperature Monitoring

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Taxonomy Code	Specialty	Notes
2084P0800X	Hyperbaric Medicine	Specialty physicians who direct and supervise HBOT sessions.
207L00000X	Emergency Medicine	Emergency physicians may supervise HBOT for acute indications such as decompression sickness.
207RH0000X	Family Medicine	Primary care physicians who manage chronic wounds and coordinate HBOT therapy.
207RN0400X	Vascular Surgery	Vascular surgeons who refer and supervise HBOT for ischemic or nonhealing vascular-related wounds.
207EP0101X	Physical Medicine & Rehabilitation	PM&R physicians who may be involved in wound care programs and HBOT oversight.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`E11.621`	Type 2 diabetes mellitus with foot ulcer	Diabetes-related foot ulcers are a common indication for HBOT to promote wound healing.
`L97.909`	Non-pressure chronic ulcer of unspecified part of lower leg, unspecified severity	Chronic lower-extremity ulcers often receive HBOT as adjunctive therapy.
`T75.2XXA`	Decompression sickness, initial encounter	Acute indication for HBOT in divers with decompression illness; urgent supervised therapy required.
`S01.81XA`	Open wound of other part of head, initial encounter	HBOT may be used for complex traumatic wounds and burns in selected cases.
`T31.0`	Burns involving less than 10% of body surface area	Severe or complicated burns are an accepted indication for HBOT to reduce edema and infection risk.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`99183`	Physician attendance and supervision of hyperbaric oxygen therapy	Primary procedure code for physician supervision and attendance during HBOT sessions.
`97597`	Debridement; selective debridement, open wound, (eg, wound, selective debridement), first 20 sq cm or less	Often performed prior to initiation of HBOT as part of wound bed preparation and documented wound care.
`11042`	Debridement, muscle and fascia (e.g., 1 site)	Surgical debridement codes that may be performed before or during the course of HBOT for severe wounds.
`11043`	Debridement, bone (e.g., 1 site)	Used when osteomyelitis or exposed bone requires debridement in the wound care plan associated with HBOT.
`95165`	Professional interpretation of HBOT monitoring or other continuous monitoring services (if applicable)	Used when continuous physiologic monitoring during HBOT requires separate professional interpretation/reporting.
`99070`	Supplies and materials (e.g., drugs, sutures, dressings), non-durable medical supplies billed to the payer	Used for special dressings or supplies related to wound care in conjunction with HBOT sessions.

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