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N99.512

Cystostomy malfunction

Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 12 never code together
N99code
Excludes2
  • irradiation cystitis (N30.4-)N30.4-
  • postoophorectomy osteoporosis with current pathological fracture (M80.8-)M80.8-
  • postoophorectomy osteoporosis without current pathological fracture (M81.8)M81.8
N99.5code
Excludes2
  • mechanical complication of urinary catheter (T83.0-)T83.0-
N00-N99chapter
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

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

Instructional notes

No further instructional notes apply.

Index entries leading here 2
  • Complication (s) (from) (of)
  • Malfunction — see also Dysfunction
Alongside this code 3 same parent — N99.51
N99.510 Cystostomy hemorrhage N99.511 Cystostomy infection N99.518 Other cystostomy complication
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

CMS22HCC176 ESRD21HCC176 ESRD24HCC176

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This code

Billable
yes
Code set
FY2026
Parent
N99.51
Siblings
3

Present FY2024–FY2027.