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

ICD-10 D44.9

Billable / Specific

Neoplasm of uncertain behavior of unspecified endocrine gland

D44
Block
0
Synonyms
118
LCDs
10
Payer Policies
0
Linked CPTs

About ICD-10-CM D44.9

ICD-10-CM code D44.9 represents Neoplasm of uncertain behavior of unspecified endocrine gland. This is a billable/specific code in the Neoplasms chapter (block D44). The 2026 edition of ICD-10-CM D44.9 became effective on October 1, 2025.

Medicare LCD Coverage for D44.9

Local Coverage Determinations (LCDs) from CMS MACs that list D44.9 as a covered diagnosis.

118 LCDs

Showing top 10 of 118 total . Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: MolDX: Molecular Testing for Risk Stratification of Thyroid Nodules
Article ID: 59509, Effective: 2026-02-05 00:00:00, 10 covered, 0 non-covered
CPT 81479 →
CMS LCD: Billing and Coding: MolDX: Molecular Testing for Risk Stratification of Thyroid Nodules
Article ID: 59509, Effective: 2026-02-05 00:00:00, 10 covered, 0 non-covered
CPT 81546 →
CMS LCD: Billing and Coding: Peripheral Nerve Blocks
Article ID: 57452, Effective: 2025-10-01 00:00:00, 1570 covered, 0 non-covered
CPT 64420 →
CMS LCD: Billing and Coding: Peripheral Nerve Blocks
Article ID: 57452, Effective: 2025-10-01 00:00:00, 1570 covered, 0 non-covered
CPT 20561 →
CMS LCD: Billing and Coding: Peripheral Nerve Blocks
Article ID: 57452, Effective: 2025-10-01 00:00:00, 1570 covered, 0 non-covered
CPT 64415 →
CMS LCD: Billing and Coding: Peripheral Nerve Blocks
Article ID: 57452, Effective: 2025-10-01 00:00:00, 1570 covered, 0 non-covered
CPT 64447 →
CMS LCD: Billing and Coding: Peripheral Nerve Blocks
Article ID: 57452, Effective: 2025-10-01 00:00:00, 1570 covered, 0 non-covered
CPT 64448 →
CMS LCD: Billing and Coding: Peripheral Nerve Blocks
Article ID: 57452, Effective: 2025-10-01 00:00:00, 1570 covered, 0 non-covered
CPT 64416 →
CMS LCD: Billing and Coding: Peripheral Nerve Blocks
Article ID: 57452, Effective: 2025-10-01 00:00:00, 1570 covered, 0 non-covered
CPT 64405 →
CMS LCD: Billing and Coding: Peripheral Nerve Blocks
Article ID: 57452, Effective: 2025-10-01 00:00:00, 1570 covered, 0 non-covered
CPT 64454 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing D44.9.

10 policies

5 Medicare

Oral Antiemetic Drugs (Replacement for Intravenous Antiemetics) - Policy Article
Policy ID: ART-52480
Billing and Coding: Biomarkers for Oncology
Policy ID: ART-52986
Billing and Coding: Peripheral Nerve Blocks
Policy ID: ART-57452
Billing and Coding: Peripheral Nerve Blocks
Policy ID: ART-57788
Billing and Coding: Thyroid Nodule Molecular Testing
Policy ID: ART-58656

1 Aetna

Single Photon Emission Computed Tomography (SPECT)
Policy ID: CPB-0376

CPT Codes Commonly Billed with D44.9

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

No procedure linkages on file for D44.9

We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.

Convert D44.9 to ICD-9-CM

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

ICD-10ICD-9Mapping Flags
D44.9 2374 10000

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

ICD-10 D44.9, Billing FAQ

Is ICD-10 code D44.9 billable? +

Yes, D44.9 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.

What ICD-9 codes does D44.9 map to? +

Per CMS GEMs, D44.9 maps to ICD-9 codes: 2374. 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 June 1, 2026.

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