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

ICD-10 D81.818

Billable / Specific

Other biotin-dependent carboxylase deficiency

D81
Block
2
Synonyms
623
LCDs
18
Payer Policies
11
Linked CPTs

About ICD-10-CM D81.818

ICD-10-CM code D81.818 represents Other biotin-dependent carboxylase deficiency. This is a billable/specific code in the Blood and Blood-forming Organs chapter (block D81). The 2026 edition of ICD-10-CM D81.818 became effective on October 1, 2025.

Inclusion Terms / Approximate Synonyms

Clinical terms and conditions classified under D81.818. Per CMS ICD-10-CM Tabular 2026.

  • Holocarboxylase synthetase deficiency
  • Other multiple carboxylase deficiency

Medicare LCD Coverage for D81.818

Local Coverage Determinations (LCDs) from CMS MACs that list D81.818 as a covered diagnosis.

623 LCDs

Showing top 10 of 623 total . Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: Gastrointestinal Pathogen (GIP) Panels Utilizing Multiplex Nucleic Acid Amplification Techniques (NAATs)
Article ID: 56638, Effective: 2025-07-01 00:00:00, 60 covered, 1 non-covered
CPT 87506 →
CMS LCD: Billing and Coding: Gastrointestinal Pathogen (GIP) Panels Utilizing Multiplex Nucleic Acid Amplification Techniques (NAATs)
Article ID: 56638, Effective: 2025-07-01 00:00:00, 60 covered, 1 non-covered
CPT 87507 →
CMS LCD: Billing and Coding: Gastrointestinal Pathogen (GIP) Panels Utilizing Multiplex Nucleic Acid Amplification Techniques (NAATs)
Article ID: 56638, Effective: 2025-07-01 00:00:00, 60 covered, 1 non-covered
CPT 87505 →
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 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing D81.818.

18 policies

1 Cigna

Infant Nutritional Formula - (0136)
Policy ID: MM_0136

5 Medicare

Billing and Coding: Routine Foot Care
Policy ID: ART-52996
Billing and Coding: Assays for Vitamins and Metabolic Function
Policy ID: ART-56416
Billing and Coding: Gastrointestinal Pathogen (GIP) Panels Utilizing Multiplex Nucleic Acid Amplification Techniques (NAATs)
Policy ID: ART-56638
Billing and Coding: Gastrointestinal Pathogen (GIP) Panels Utilizing Multiplex Nucleic Acid Amplification Techniques (NAATs)
Policy ID: ART-56642
Billing and Coding: Routine Foot Care
Policy ID: ART-57188

1 Aetna

Homocysteine Testing
Policy ID: CPB-0763

CPT Codes Commonly Billed with D81.818

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

11 linkages
  • 87507 CMS LCD: Billing and Coding: Gastrointestinal Pathogen (GIP) Panels Utilizing Multiplex Nucleic Acid Amplification Techniques (NAATs) CMS LCD
  • 87505 CMS LCD: Billing and Coding: Gastrointestinal Pathogen (GIP) Panels Utilizing Multiplex Nucleic Acid Amplification Techniques (NAATs) CMS LCD
  • 87506 CMS LCD: Billing and Coding: Gastrointestinal Pathogen (GIP) Panels Utilizing Multiplex Nucleic Acid Amplification Techniques (NAATs) CMS LCD
  • 11719 CMS LCD: Billing and Coding: Routine Foot Care and Debridement of Nails CMS LCD
  • G0127 CMS LCD: Billing and Coding: Routine Foot Care and Debridement of Nails CMS LCD
  • 11056 CMS LCD: Billing and Coding: Routine Foot Care and Debridement of Nails CMS LCD
  • 87812 CMS LCD: Billing and Coding: Respiratory Pathogen Panel Testing CMS LCD
  • 87428 CMS LCD: Billing and Coding: Respiratory Pathogen Panel Testing CMS LCD
  • 87913 CMS LCD: Billing and Coding: Respiratory Pathogen Panel Testing CMS LCD
  • J3420 CMS LCD: Billing and Coding: Vitamin B<sub>12</sub> Injections CMS LCD

Convert D81.818 to ICD-9-CM

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

ICD-10ICD-9Mapping Flags
D81.818 2662 10000

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

ICD-10 D81.818, Billing FAQ

Is ICD-10 code D81.818 billable? +

Yes, D81.818 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.

What other names or terms map to D81.818? +

ICD-10 D81.818 includes: Holocarboxylase synthetase deficiency; Other multiple carboxylase deficiency.

What CPT codes are commonly billed with D81.818? +

Procedures frequently paired with D81.818 include: 87507, 87505, 87506, 11719, G0127.

What ICD-9 codes does D81.818 map to? +

Per CMS GEMs, D81.818 maps to ICD-9 codes: 2662. 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 May 31, 2026.

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