2017/18 ICD-10-CM Diagnosis Code N20.9

Urinary calculus, unspecified

The following code(s) above N20.9 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to N20.9:
  • N00-N99
    2018 ICD-10-CM Range N00-N99

    Diseases of the genitourinary system

    Type 2 Excludes
    • 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)
    Diseases of the genitourinary system
  • N20
    ICD-10-CM Diagnosis Code N20

    Calculus of kidney and ureter

      2016 2017 2018 Non-Billable/Non-Specific Code
    Applicable To
    • Calculous pyelonephritis
    Type 1 Excludes
    • nephrocalcinosis (E83.5)
    • that with hydronephrosis (N13.2)
    Calculus of kidney and ureter
Approximate Synonyms Clinical Information ICD-10-CM N20.9 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

Convert N20.9 to ICD-9-CM

Code History
Code annotations containing back-references to N20.9:

Diagnosis Index entries containing back-references to N20.9:

ICD-10-CM Codes Adjacent To N20.9
N18.3 Chronic kidney disease, stage 3 (moderate)
N18.4 Chronic kidney disease, stage 4 (severe)
N18.5 Chronic kidney disease, stage 5
N18.6 End stage renal disease
N18.9 Chronic kidney disease, unspecified
N19 Unspecified kidney failure
N20 Calculus of kidney and ureter
N20.0 Calculus of kidney
N20.1 Calculus of ureter
N20.2 Calculus of kidney with calculus of ureter
N20.9 Urinary calculus, unspecified
N21 Calculus of lower urinary tract
N21.0 Calculus in bladder
N21.1 Calculus in urethra
N21.8 Other lower urinary tract calculus
N21.9 Calculus of lower urinary tract, unspecified
N22 Calculus of urinary tract in diseases classified elsewhere
N23 Unspecified renal colic
N25 Disorders resulting from impaired renal tubular function
N25.0 Renal osteodystrophy
N25.1 Nephrogenic diabetes insipidus

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.