Does K29.40 require prior authorization?

No, K29.40 does not require prior authorization (high confidence). Covered without prior authorization.

`K29.40`, Chronic atrophic gastritis without bleeding

ICD-10-CM

No Prior Auth Required

Covered without prior authorization (high confidence)

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 billing and coding article provides guidelines that complement Local Coverage Determination L34415 for CT of the abdomen and pelvis; consult LCD L34415 for specific coverage indications, limitations, and documentation requirements.
All documentation must be maintained in the patient's medical record and made available to the contractor upon request.

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.
Vitamin B12 injections are covered only when reasonable and necessary per Local Coverage Determination L33967.
Therapeutic EGD is covered for removal of foreign bodies from the esophagus or stomach.
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.

A57063, Billing and Coding: Diagnostic and Therapeutic Esophagogastroduodenoscopy

FIRST_COAST-L33583, Diagnostic and Therapeutic Esophagogastroduodenoscopy

FIRST_COAST-L33967, Vitamin B<sub>12</sub> Injections

NOVITAS-JH-L35350, Upper Gastrointestinal Endoscopy (Diagnostic and Therapeutic)

Ask Backwork about documentation requirements, denial risks, or coverage in your state.