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ICD-10-CM 2026 · Effective October 1, 2025

ICD-10 E83.59

Billable / Specific

Other disorders of calcium metabolism

E83
Block
0
Synonyms
20
LCDs
7
Payer Policies
1
Linked CPTs

About ICD-10-CM E83.59

ICD-10-CM code E83.59 represents Other disorders of calcium metabolism. This is a billable/specific code in the Endocrine, Nutritional, and Metabolic chapter (block E83). The 2026 edition of ICD-10-CM E83.59 became effective on October 1, 2025.

Medicare LCD Coverage for E83.59

Local Coverage Determinations (LCDs) from CMS MACs that list E83.59 as a covered diagnosis.

20 LCDs

Showing top 10 of 20 total . Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: Magnesium
Article ID: 59186, Effective: 2025-10-01 00:00:00, 4358 covered, 0 non-covered
CPT 83735 →
CMS LCD: Billing and Coding: Vitamin D; 25 hydroxy, includes fraction(s), if performed
Article ID: 56841, Effective: 2023-10-01 00:00:00, 759 covered, 1 non-covered
CPT 82306 →
CMS LCD: Billing and Coding: Assays for Vitamins and Metabolic Function
Article ID: 56416, Effective: 2025-10-01 00:00:00, 899 covered, 1 non-covered
CPT 82306 →
CMS LCD: Billing and Coding: Assays for Vitamins and Metabolic Function
Article ID: 56416, Effective: 2025-10-01 00:00:00, 899 covered, 1 non-covered
CPT 82607 →
CMS LCD: Billing and Coding: Assays for Vitamins and Metabolic Function
Article ID: 56416, Effective: 2025-10-01 00:00:00, 899 covered, 1 non-covered
CPT 82746 →
CMS LCD: Billing and Coding: Assays for Vitamins and Metabolic Function
Article ID: 56416, Effective: 2025-10-01 00:00:00, 899 covered, 1 non-covered
CPT 85385 →
CMS LCD: Billing and Coding: Assays for Vitamins and Metabolic Function
Article ID: 56416, Effective: 2025-10-01 00:00:00, 899 covered, 1 non-covered
CPT 83090 →
CMS LCD: Billing and Coding: Assays for Vitamins and Metabolic Function
Article ID: 56416, Effective: 2025-10-01 00:00:00, 899 covered, 1 non-covered
CPT 82652 →
CMS LCD: Billing and Coding: Assays for Vitamins and Metabolic Function
Article ID: 56416, Effective: 2025-10-01 00:00:00, 899 covered, 1 non-covered
CPT 84207 →
CMS LCD: Billing and Coding: Assays for Vitamins and Metabolic Function
Article ID: 56416, Effective: 2025-10-01 00:00:00, 899 covered, 1 non-covered
CPT 86352 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing E83.59.

7 policies

1 Cigna

Vitamin D Testing - (0526) ---- future effective policy
Policy ID: MM_0526

5 Medicare

Billing and Coding: Assays for Vitamins and Metabolic Function
Policy ID: ART-56416
Billing and Coding: Vitamin D; 25 hydroxy, includes fraction(s), if performed
Policy ID: ART-56841
Billing and Coding: Parathormone (Parathyroid Hormone)
Policy ID: ART-57122
Billing and Coding: Serum Magnesium
Policy ID: ART-57189
Billing and Coding: Electrocardiograms
Policy ID: ART-57326

CPT Codes Commonly Billed with E83.59

Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.

1 linkages
  • 83970 CMS LCD: Billing and Coding: Parathormone (Parathyroid Hormone) CMS LCD

Convert E83.59 to ICD-9-CM

Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.

ICD-10ICD-9Mapping Flags
E83.59 27549 10000

Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).

ICD-10 E83.59, Billing FAQ

Is ICD-10 code E83.59 billable? +

Yes, E83.59 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.

What CPT codes are commonly billed with E83.59? +

Procedures frequently paired with E83.59 include: 83970.

What ICD-9 codes does E83.59 map to? +

Per CMS GEMs, E83.59 maps to ICD-9 codes: 27549. Useful for legacy data review and historical claim analysis.

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Reviewed by the PayerReady Medical Coding Team

Verified against the CMS 2026 code set on July 16, 2026.

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