Does G47.33 require prior authorization?

No, G47.33 does not require prior authorization (high confidence). Code is covered without prior authorization.

`G47.33` — Obstructive sleep apnea (adult) (pediatric)

ICD-10-CM

No Prior Auth Required

Code is covered without prior authorization (high confidence)

Claims must be submitted in accordance with CMS Pub 100-04 Medicare Claims Processing Manual, Chapter 32 Section 150 (Billing Requirements for Bariatric Surgery for Morbid Obesity), including use of the procedure and diagnosis codes listed there and in this local article.
Coverage for Type II diabetes mellitus complication diagnosis codes is based on the Internet Only Manual (IOM); include documentation and citations required by IOM when billing these diagnoses.
Bariatric surgery claims must reference the applicable national coverage determination (CMS Pub 100-03 Chapter 1 Part 2 Section 100.1) when submitting for payment.
The medical record must contain documentation fully supporting medical necessity, including relevant medical history, physical examination, and results of pertinent diagnostic tests or procedures.

Bariatric surgery for treatment of co-morbid conditions related to morbid obesity is payable when billed in accordance with CMS Pub 100-03 Medicare National Coverage Determinations Manual, Chapter 1 Part 2 Section 100.1.
Additional diagnoses listed in this local coverage article for Part A procedure codes and the article's listed CPT codes are covered for bariatric surgery to treat co-morbid conditions related to morbid obesity.
Transthoracic echocardiography (TTE) is covered when the patient's medical record documents medical necessity consistent with the LCD indications for TTE.
Contrast (contrast-enhanced) echocardiography is covered when conventional echocardiographic studies were inconclusive and contrast enhancement is needed to complete diagnostic evaluation.
Repeat echocardiographic studies are covered to monitor changes in cardiac structure or function when there is a change in clinical status or when disease progression is suspected.
Diagnostic polysomnography or other sleep testing is covered when the patient has symptoms or complaints of one of the conditions listed in LCD L36839.

L36839 — Polysomnography and Other Sleep Studies

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A56903 — Billing and Coding: Polysomnography and Other Sleep Studies

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L34526 — Surgical Treatment of Obstructive Sleep Apnea (OSA)

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A54923 — Billing and Coding: Bariatric Surgery for Treatment of Co-Morbidities Conditions Related to Morbid Obesity

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