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ICD-10 N21 - Calculus of lower urinary tract

N21

ICD-10 Not billable

Calculus of lower urinary tract

Specifically for this code:
  • calculus of lower urinary tract with cystitis and urethritis
From Chapter 14:
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
N21 is a "category code," which means it's non-billable. Billable codes require more specificity. Use the list below to navigate to codes that are more specific:
10
N21.0
Calculus in bladder
Billable
10
N21.1
Calculus in urethra
Billable
10
N21.8
Other lower urinary tract calculus
Billable
10
N21.9
Calculus of lower urinary tract, unspecified
Billable
      
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