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ICD-10-CM Codes
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N00-N99
Diseases of the genitourinary system
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N20-N23
Urolithiasis
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N20-
Calculus of kidney and ureter
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2021 ICD-10-CM Diagnosis Code N20.2
2021 ICD-10-CM Diagnosis Code N20.2
Calculus of kidney with calculus of ureter
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- N20.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2021 edition of ICD-10-CM N20.2 became effective on October 1, 2020.
- This is the American ICD-10-CM version of N20.2 - other international versions of ICD-10 N20.2 may differ.
The following code(s) above
N20.2 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
N20.2:
- Calculus of kidney and ureter
- Renal calculus w ureteral calculus
ICD-10-CM N20.2 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
- 693 Urinary stones with mcc
- 694 Urinary stones without mcc
Convert N20.2 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- Calculus, calculi, calculous
- kidney (impacted) (multiple) (pelvis) (recurrent) (staghorn) N20.0
ICD-10-CM Diagnosis Code N20.0
Calculus of kidney
2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To- Nephrolithiasis NOS
- Renal calculus
- Renal stone
- Staghorn calculus
- Stone in kidney
- with calculus, ureter N20.2
- ureter (impacted) (recurrent) N20.1
ICD-10-CM Diagnosis Code N20.1
Calculus of ureter
2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To- Calculus of the ureteropelvic junction
- Ureteric stone
- Ureteritis N28.89
ICD-10-CM Diagnosis Code N28.89
Other specified disorders of kidney and ureter
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- due to calculus N20.1
ICD-10-CM Diagnosis Code N20.1
Calculus of ureter
2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To- Calculus of the ureteropelvic junction
- Ureteric stone
ICD-10-CM Codes Adjacent To N20.2
N18.31 Chronic kidney disease, stage 3a
N18.32 Chronic kidney disease, stage 3b
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
N20.2
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
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
