O20.0 — Threatened abortion
ICD-10-CM
Prior Authorization
No Prior Auth Required
No active coverage policies found for this code (low confidence)
Documentation Required
- Medical records must document the medical necessity of the serum magnesium test, including the signs, symptoms, and/or diagnosis that prompted the test.
- Laboratories must maintain the physician's order for the serum magnesium test in their records.
- Medical records must contain the serum magnesium lab test results.
- When requesting individual consideration through written redetermination, providers must include all relevant medical records and supporting literature.
Key Coverage Criteria
- 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
- ICD-10-CM Codes that Support Medical Necessity — Group 1 (covered diagnoses): D57.412 - Sickle-cell thalassemia, unspecified, with splenic sequestration
- ICD-10-CM Codes that Support Medical Necessity — Group 1 (covered diagnoses): D57.812 - Other sickle-cell disorders with splenic sequestration
8 Active Policies
A57198 — Billing and Coding: Serum Magnesium
ANTHEM-RAD.00038 — RAD.00038 Use of 3-D, 4-D or 5-D Ultrasound in Maternity Care
ANTHEM-CG-LAB-20 — CG-LAB-20 Thyroid Testing
ANTHEM-CG-LAB-27 — CG-LAB-27 Human Chorionic Gonadotropin Testing
ANTHEM-CG-RAD-26 — CG-RAD-26 Maternity Ultrasound in the Outpatient Setting
Related Codes
Have a follow-up question?
Ask Verity about documentation requirements, denial risks, or coverage in your state.