icd code for magnesium level

Document Information

CPT codes, descriptions and other data only are copyright 2020 American Medical Association. All Rights Reserved. Applicable FARS/HHSARS apply.

CMS National Coverage Policy

This LCD supplements but does not replace, modify or supersede existing Medicare applicable National Coverage Determinations (NCDs) or payment policy rules and regulations for Magnesium. Federal statute and subsequent Medicare regulations regarding provision and payment for medical services are lengthy. They are not repeated in this LCD.

Coverage Guidance

Magnesium is an important activator ion, participating in the function of many enzymes involved in phosphate transfer reactions. Most of the magnesium found within the body exists intracellularly, and since most of it is bound to adenosine triphosphate, this electrolyte is critical in nearly all metabolic processes and most organ functions.

Document Information

CPT codes, descriptions and other data only are copyright 2021 American Medical Association. All Rights Reserved. Applicable FARS/HHSARS apply.

CMS National Coverage Policy

Title XVIII of the Social Security Act; Section 1862 (a) (7). This section excludes routine physical examinations. Title XVIII of the Social Security Act, Section 1862 (a) (1) (A).

Coverage Guidance

Note: Providers should seek information related to National Coverage Determinations (NCD) and other Centers for Medicare & Medicaid Services (CMS) instructions in CMS Manuals.

General Information

CPT codes, descriptions and other data only are copyright 2020 American Medical Association. All Rights Reserved. Applicable FARS/HHSARS apply.

CMS National Coverage Policy

Title XVIII of the Social Security Act; Section 1862 (a) (7). This section excludes routine physical examinations. Title XVIII of the Social Security Act, Section 1862 (a) (1) (A).

Article Guidance

The following coding and billing guidance is to be used with its associated Local Coverage Determination.

ICD-10-CM Codes that DO NOT Support Medical Necessity

All ICD-10-CM codes not listed in this policy under “ICD-10-CM Codes that Support Medical Necessity” above.

Bill Type Codes

Contractors may specify Bill Types to help providers identify those Bill Types typically used to report this service. Absence of a Bill Type does not guarantee that the article does not apply to that Bill Type.

Revenue Codes

Contractors may specify Revenue Codes to help providers identify those Revenue Codes typically used to report this service. In most instances Revenue Codes are purely advisory. Unless specified in the article, services reported under other Revenue Codes are equally subject to this coverage determination.