T54.3X4A — Toxic effect of corrosive alkalis and alkali-like substances, undetermined, initial encounter
ICD-10-CM
Prior Authorization
No Prior Auth Required
Code is covered without prior authorization (high confidence)
Documentation Required
- This billing and coding guidance complements Local Coverage Determination L34434; follow LCD L34434 for clinical coverage criteria and required documentation for claims.
- All services billed with unlisted procedure codes must include sufficient medical records and supporting documentation to allow development and medical review.
- This article provides billing/coding guidelines that complement Local Coverage Determination L34417 for CT of the head; consult LCD L34417 for specific coverage, coding, and documentation requirements.
- All documentation must be maintained in the patient's medical record and made available to the contractor upon request.
Key Coverage Criteria
- Esophagogastroduodenoscopy (EGD) is covered when it meets the reasonable and necessary requirements specified in Local Coverage Determination L33583.
- Upper gastrointestinal endoscopy (diagnostic or therapeutic) is covered when determined reasonable and necessary per Local Coverage Determination L35350.
- EGD is covered for persistent upper abdominal distress (e.g., gastroesophageal reflux disease) that continues despite an appropriate trial of symptomatic therapy.
- EGD is covered for upper abdominal distress accompanied by a short history of concerning signs or symptoms such as weight loss, anorexia, vomiting, or NSAID/other gastric irritant intake.
- EGD is covered for patients older than 40 years who have a significant history of heartburn that recurs after a course of symptomatic therapy.
- EGD is covered for patients with dysphagia or odynophagia.
10 Active Policies
L33583 — Diagnostic and Therapeutic Esophagogastroduodenoscopy
J09
A57063 — Billing and Coding: Diagnostic and Therapeutic Esophagogastroduodenoscopy
J09
A57205 — Billing and Coding: Oximetry Services
J12
L35434 — Oximetry Services
J12
L35350
Related Codes
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