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

ICD-10 D13.99

Billable / Specific

Benign neoplasm of ill-defined sites within the digestive system

D13
Block
3
Synonyms
93
LCDs
7
Payer Policies
1
Linked CPTs

About ICD-10-CM D13.99

ICD-10-CM code D13.99 represents Benign neoplasm of ill-defined sites within the digestive system. This is a billable/specific code in the Neoplasms chapter (block D13). The 2026 edition of ICD-10-CM D13.99 became effective on October 1, 2025.

Inclusion Terms / Approximate Synonyms

Clinical terms and conditions classified under D13.99. Per CMS ICD-10-CM Tabular 2026.

  • Benign neoplasm of digestive system NOS
  • Benign neoplasm of intestine NOS
  • Benign neoplasm of spleen

Medicare LCD Coverage for D13.99

Local Coverage Determinations (LCDs) from CMS MACs that list D13.99 as a covered diagnosis.

93 LCDs

Showing top 10 of 93 total . Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: Octreotide Acetate for Injectable Suspension (Sandostatin� LAR Depot)
Article ID: 56531, Effective: 2024-10-01 00:00:00, 72 covered, 0 non-covered
CPT J2353 →
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 →
CMS LCD: Billing and Coding: Peripheral Nerve Blocks
Article ID: 57452, Effective: 2025-10-01 00:00:00, 1570 covered, 0 non-covered
CPT 64425 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing D13.99.

7 policies

1 Cigna

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

5 Medicare

Billing and Coding: Octreotide Acetate for Injectable Suspension (Sandostatin� LAR Depot)
Policy ID: ART-56531
Billing and Coding: Computerized Axial Tomography (CT), Thorax
Policy ID: ART-56580
Billing and Coding: Implantable Infusion Pump
Policy ID: ART-56695
Billing and Coding: Diagnostic and Therapeutic Esophagogastroduodenoscopy
Policy ID: ART-57063
Billing and Coding: Peripheral Nerve Blocks
Policy ID: ART-57452

CPT Codes Commonly Billed with D13.99

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

1 linkages
  • J2353 CMS LCD: Billing and Coding: Octreotide Acetate for Injectable Suspension (Sandostatin� LAR Depot) CMS LCD

ICD-10 D13.99, Billing FAQ

Is ICD-10 code D13.99 billable? +

Yes, D13.99 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 D13.99? +

ICD-10 D13.99 includes: Benign neoplasm of digestive system NOS; Benign neoplasm of intestine NOS; Benign neoplasm of spleen.

What CPT codes are commonly billed with D13.99? +

Procedures frequently paired with D13.99 include: J2353.

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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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