CPT 00524: Anesthesia for Closed Chest Pneumocentesis
CPT code 00524 denotes anesthesia services furnished for a closed chest pneumocentesis, a procedure in which a needle is inserted into the lung to drain fluid. The code captures the anesthetic management and monitoring provided while another clinician performs the thoracic needle drainage. Nationally, accurate use of this anesthesia code is important for correct clinical documentation, appropriate claim adjudication, and ensuring consistent representation of peri-procedural care intensity across facilities.
Key payers included in this review are Aetna, Blue Cross Blue Shield, Cigna Health, United Healthcare, and Medicare. Readers will find a concise explanation of the clinical context for 00524, guidance on typical sites of service, and how this code relates to common shoulder and thoracic procedural workflows. The publication outlines common clinical pairings and related surgical or procedural codes that may appear on same-day claims, and highlights typical scenarios where anesthesia coding must reflect the specific procedure performed.
This summary provides a national perspective for billing managers, anesthesiology departments, and revenue cycle staff seeking clear context about when 00524 applies, what clinical settings are typical, and which major payers are relevant for coverage and claims processing. Data not available in the input will be noted where applicable in detailed sections.
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Billing Code Overview
CPT code 00524 describes anesthesia services provided during a closed chest pneumocentesis procedure in which another clinician inserts a needle into the lung to drain fluid. The code reflects perioperative anesthesia management specific to this thoracic procedure.
Service Type: Anesthesia for closed chest pneumocentesis
Typical Site of Service: Hospital operating room or procedure suite (inpatient or outpatient), or other facility-based procedural setting
Clinical & Coding Specifications
Clinical Context
A 58-year-old patient with a history of chronic obstructive pulmonary disease presents with progressive shortness of breath and decreased oxygen saturation. Chest imaging demonstrates a moderate right-sided pleural effusion with atelectatic changes and ultrasound confirms a large fluid pocket adjacent to the lateral lung surface. Interventional radiology plans a closed-chest pneumocentesis (thoracentesis) with aspiration of pleural fluid. An anesthesia provider administers monitored anesthesia care or general anesthesia as indicated by patient comorbidities, respiratory status, and procedural complexity. The clinical workflow includes pre-procedure airway and hemodynamic assessment, intra-procedure sedation or anesthesia management, continuous monitoring of oxygenation and ventilation, management of analgesia and anxiolysis, and post-procedure recovery with observation for complications such as pneumothorax, bleeding, or respiratory compromise. Documentation includes indication for drainage, consent, level of anesthesia, drugs and doses administered, monitoring parameters, airway interventions if any, procedural duration, and immediate post-procedure status.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 | Increased procedural services | Use when anesthesia care is substantially greater in complexity or time than typical for pneumocentesis. |
23 | Unusual anesthesia | Use when general anesthesia is medically necessary for an emergency or unusual circumstance. |
52 | Reduced services | Use when the anesthetic service was partially reduced or aborted. |
53 | Discontinued procedure | Use when procedure was started but terminated for patient-related or intraoperative reasons. |
55 | Postoperative management only | Use when the anesthesiologist provides only postoperative pain management or care. |
56 | Preoperative evaluation only | Use when only the preoperative evaluation was provided by the anesthesia provider. |
59 | Distinct procedural service | Use to indicate a distinct procedural encounter when bundling edits might apply. |
62 | Two surgeons or co-surgeons | Rare for this procedure; use when two surgeons of equal specialty are required and anesthesia documentation supports it. |
78 | Unplanned return to the operating/procedure room | Use when patient returns for a related procedure during the global period requiring repeat anesthesia services. |
AA | Anesthesia services performed personally by anesthesiologist | Use to report services personally performed by the physician anesthesiologist. |
AD | Medical supervision by a physician; more than four concurrent anesthesia procedures | Use when the anesthesiologist supervises care with anesthetist(s) across multiple concurrent cases. |
AS | Physician assistant, nurse practitioner, or clinical nurse specialist services for anesthesia | Use when an approved non-physician clinician provides the anesthesia service under appropriate supervision. |
QK | Medical direction of two, three, or four concurrent anesthesia procedures including medically directed CRNA | Use when the anesthesiologist medically directs multiple concurrent CRNAs. |
QS | Monitored anesthesia care (MAC) | Use to indicate MAC was provided rather than general anesthesia for the pneumocentesis. |
| Taxonomy Code | Specialty | Notes |
|---|---|---|
207L00000X | Anesthesiology | Physician specialty primarily responsible for anesthesia services for pneumocentesis. |
207LA0401X | Pain Medicine (Anesthesiology) | Anesthesiologists with pain medicine training may perform sedation or consult for complex pain management. |
367H00000X | Anesthesiologist Assistant | Mid-level provider performing anesthesia care under anesthesiologist supervision per state rules. |
Related Diagnoses
| ICD-10 Code | Description | Clinical Relevance |
|---|---|---|
S42.001A | Fracture of unspecified part of right clavicle, initial encounter for closed fracture | Shoulder girdle fractures may cause pleural irritation or concurrent thoracic trauma prompting evaluation where thoracentesis could be indicated if pleural effusion develops. |
S42.002A | Fracture of unspecified part of left clavicle, initial encounter for closed fracture | As above for the left side; thoracic trauma can be associated with pleural effusion requiring drainage. |
S42.101A | Fracture of unspecified part of right scapula, initial encounter for closed fracture | Scapular fractures often coexist with thoracic injury; pleural fluid or hemothorax may necessitate closed-chest aspiration. |
S42.102A | Fracture of unspecified part of left scapula, initial encounter for closed fracture | As above for left scapula; relevant when thoracic complications arise and thoracentesis is considered. |
M75.100 | Unspecified rotator cuff tear or rupture of unspecified shoulder, not specified as traumatic | Shoulder pathology listed in the dataset; while not an indication for pneumocentesis, patients with shoulder procedures may require perioperative anesthesia and could coincidentally have thoracic issues requiring pleural drainage. |
Related CPT Codes
| CPT Code | Description | Relationship to This Procedure |
|---|---|---|
23410 | Repair of ruptured musculotendinous cuff (e.g., rotator cuff) open; acute | Orthopedic shoulder surgery that may require preoperative or intraoperative anesthesia; not directly related to thoracentesis but listed in related shoulder procedures. |
23412 | Repair of ruptured musculotendinous cuff (e.g., rotator cuff) open; chronic | Same relationship as 23410; represents shoulder repair procedures requiring anesthesia services. |
23420 | Reconstruction of complete shoulder (rotator) cuff avulsion, chronic (includes acromioplasty) | Major shoulder reconstruction that requires anesthesia perioperatively; listed as related surgical codes in the dataset. |
20610 | Arthrocentesis, aspiration and/or injection; major joint or bursa (e.g., shoulder, hip, knee joint, subacromial bursa) | Analogous percutaneous aspiration/injection procedure in musculoskeletal practice; similar anesthesia considerations for sedation or MAC. |
29827 | Arthroscopy, shoulder, surgical; with rotator cuff repair | Arthroscopic shoulder surgery requiring perioperative anesthesia; included as related procedural codes for context. |