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

ICD-10 I27.841

Billable / Specific

Fontan-associated lymphatic dysfunction

I27
Block
0
Synonyms
270
LCDs
14
Payer Policies
9
Linked CPTs

About ICD-10-CM I27.841

ICD-10-CM code I27.841 represents Fontan-associated lymphatic dysfunction. This is a billable/specific code in the Circulatory System chapter (block I27). The 2026 edition of ICD-10-CM I27.841 became effective on October 1, 2025.

Coding Notes

Code Also

  • associated conditions such as:
  • chylothorax (J94.0)
  • Fontan associated protein-losing enteropathy (K90.89)
  • plastic (obstructive) bronchitis (J44.89)

Medicare LCD Coverage for I27.841

Local Coverage Determinations (LCDs) from CMS MACs that list I27.841 as a covered diagnosis.

270 LCDs

Showing top 10 of 270 total . Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: Respiratory Care
Article ID: 57224, Effective: 2026-01-01 00:00:00, 901 covered, 0 non-covered
CPT 94660 →
CMS LCD: Billing and Coding: Respiratory Care
Article ID: 57224, Effective: 2026-01-01 00:00:00, 901 covered, 0 non-covered
CPT 94726 →
CMS LCD: Billing and Coding: Respiratory Care
Article ID: 57224, Effective: 2026-01-01 00:00:00, 901 covered, 0 non-covered
CPT 94664 →
CMS LCD: Billing and Coding: Respiratory Care
Article ID: 57224, Effective: 2026-01-01 00:00:00, 901 covered, 0 non-covered
CPT 94618 →
CMS LCD: Billing and Coding: Respiratory Care
Article ID: 57224, Effective: 2026-01-01 00:00:00, 901 covered, 0 non-covered
CPT 94772 →
CMS LCD: Billing and Coding: Respiratory Care
Article ID: 57224, Effective: 2026-01-01 00:00:00, 901 covered, 0 non-covered
CPT 94642 →
CMS LCD: Billing and Coding: Respiratory Care
Article ID: 57224, Effective: 2026-01-01 00:00:00, 901 covered, 0 non-covered
CPT G0238 →
CMS LCD: Billing and Coding: Respiratory Care
Article ID: 57224, Effective: 2026-01-01 00:00:00, 901 covered, 0 non-covered
CPT 94004 →
CMS LCD: Billing and Coding: Respiratory Care
Article ID: 57224, Effective: 2026-01-01 00:00:00, 901 covered, 0 non-covered
CPT 94668 →
CMS LCD: Billing and Coding: Respiratory Care
Article ID: 57224, Effective: 2026-01-01 00:00:00, 901 covered, 0 non-covered
CPT 94680 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing I27.841.

14 policies

5 Medicare

Billing and Coding: Cardiac Radionuclide Imaging
Policy ID: ART-56476
Billing and Coding: Cardiac Catheterization and Coronary Angiography
Policy ID: ART-56500
Billing and Coding: Computerized Axial Tomography (CT), Thorax
Policy ID: ART-56580
Billing and Coding: Echocardiography
Policy ID: ART-56625
Billing and Coding: Cardiac Computed Tomography & Angiography (CCTA)
Policy ID: ART-56691

CPT Codes Commonly Billed with I27.841

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

9 linkages
  • 93979 CMS LCD: Billing and Coding: Non-Invasive Abdominal / Visceral Vascular Studies CMS LCD
  • 93975 CMS LCD: Billing and Coding: Non-Invasive Abdominal / Visceral Vascular Studies CMS LCD
  • 93976 CMS LCD: Billing and Coding: Non-Invasive Abdominal / Visceral Vascular Studies CMS LCD
  • 93978 CMS LCD: Billing and Coding: Non-Invasive Abdominal / Visceral Vascular Studies CMS LCD
  • 93980 CMS LCD: Billing and Coding: Non-Invasive Abdominal / Visceral Vascular Studies CMS LCD
  • 93981 CMS LCD: Billing and Coding: Non-Invasive Abdominal / Visceral Vascular Studies CMS LCD
  • 93990 CMS LCD: Billing and Coding: Non-Invasive Peripheral Venous Vascular and Hemodialysis Access Studies CMS LCD
  • 93985 CMS LCD: Billing and Coding: Non-Invasive Peripheral Venous Vascular and Hemodialysis Access Studies CMS LCD
  • 93986 CMS LCD: Billing and Coding: Non-Invasive Peripheral Venous Vascular and Hemodialysis Access Studies CMS LCD

ICD-10 I27.841, Billing FAQ

Is ICD-10 code I27.841 billable? +

Yes, I27.841 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 I27.841? +

Procedures frequently paired with I27.841 include: 93979, 93975, 93976, 93978, 93980.

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Reviewed by the PayerReady Medical Coding Team

Verified against the CMS 2026 code set on July 17, 2026.

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