N20.9

Urinary calculus, unspecified

Billable / specific

N20.9 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Excludes1

Not coded here — never report together with this code.

Excludes2

Not included here — may be reported together when both conditions exist.

  • certain conditions originating in the perinatal period (P04-P96) (from N20)
  • certain infectious and parasitic diseases (A00-B99) (from N20)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from N20)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) (from N20)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from N20)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from N20)
  • neoplasms (C00-D49) (from N20)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from N20)

Also known as

  • Anuria, calculous
  • Calculus, calculi, calculous, anuria
  • Calculus, calculi, calculous, urinary
  • Stone, urinary

Parent code

  • N20Calculus of kidney and ureterHeader

Related codes

  • N20.0Calculus of kidneyBillable
  • N20.1Calculus of ureterBillable
  • N20.2Calculus of kidney with calculus of ureterBillable

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