K60.521
BillableAnorectal fistula, complex, initial
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A complicated abnormal tunnel between the anus and surrounding skin with multiple tracts or involvement of deeper tissues, occurring for the first time.
Coding Tips
- •Use when documentation specifies complex features such as multiple tracts, branching, or involvement of sphincter muscles
- •Complex fistulas typically require more aggressive treatment and should be clearly distinguished from simple fistulas
Code Hierarchy
└K60Fissure and fistula of anal and rectal regions└K60.5Anorectal fistula└K60.52Anorectal fistula, complex└K60.521Anorectal fistula, complex, initial
└K60.521Anorectal fistula, complex, initial