K52.81 — Eosinophilic gastritis or gastroenteritis
ICD-10-CM
Prior Authorization
No Prior Auth Required
Code is covered without prior authorization (high confidence)
Documentation Required
- The submitted CPT/HCPCS code must accurately describe the service performed.
- All documentation must be maintained in the patient medical record and made available to the contractor upon request.
- Every page of the record must be legible and include appropriate patient identification information (e.g., complete name, dates of service).
- The documentation must include the legible signature of the physician or non-physician practitioner responsible for and providing the care.
Key Coverage Criteria
- Diagnostic colonoscopy is covered when the service meets the reasonable and necessary requirements specified in Local Coverage Determination L33671.
- Esophagogastroduodenoscopy (EGD) is covered when it meets the reasonable and necessary requirements specified in Local Coverage Determination L33583.
- ICD-10-CM Codes that Support Medical Necessity — Group 1 (covered diagnoses): D56.1 - Beta thalassemia
- ICD-10-CM Codes that Support Medical Necessity — Group 1 (covered diagnoses): D57.02 - Hb-SS disease with splenic sequestration
- ICD-10-CM Codes that Support Medical Necessity — Group 1 (covered diagnoses): D57.1 - Sickle-cell disease without crisis
- ICD-10-CM Codes that Support Medical Necessity — Group 1 (covered diagnoses): D57.212 - Sickle-cell/Hb-C disease with splenic sequestration
20 Active Policies
A55937 — Billing and Coding: Diagnostic Colonoscopy
J09
A57063 — Billing and Coding: Diagnostic and Therapeutic Esophagogastroduodenoscopy
J09
L33583 — Diagnostic and Therapeutic Esophagogastroduodenoscopy
J09
L33671 — Diagnostic Colonoscopy
J09
A58428
Related Codes
Have a follow-up question?
Ask Verity about documentation requirements, denial risks, or coverage in your state.