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I27.841

Fontan-associated lymphatic dysfunction

Billable FY2026 2025-10-01 → 2026-09-30 FY2026–2027 only
Exclusions 10 never code together
I00-I99chapter
Excludes2
  • certain conditions originating in the perinatal period (P04-P96)P04-P96
  • certain infectious and parasitic diseases (A00-B99)A00-B99
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
  • endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
  • injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
  • neoplasms (C00-D49)C00-D49
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
  • systemic connective tissue disorders (M30-M36)M30-M36
  • transient cerebral ischemic attacks and related syndromes (G45.-)G45.-

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 4
Code also
  • associated conditions such as:
  • chylothorax (J94.0)J94.0
  • Fontan associated protein-losing enteropathy (K90.89)K90.89
  • plastic (obstructive) bronchitis (J44.89)J44.89
Index entries leading here 2
  • Circulation
    • Fontan related I27.849
      • with
        • Fontan-associated lymphatic dysfunction I27.841
  • Dysfunction
    • lymphatic
Alongside this code 3 same parent — I27.84
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

RX08HCC191

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
yes
Code set
FY2026
Parent
I27.84
Block
I26-I28
Siblings
3

Present FY2026–FY2027.