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ICD-10-CM Codes
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N00-N99
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N20-N23
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N20-
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2023 ICD-10-CM Diagnosis Code N20
2023 ICD-10-CM Diagnosis Code N20
Calculus of kidney and ureter
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
- N20 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- The 2023 edition of ICD-10-CM N20 became effective on October 1, 2022.
- This is the American ICD-10-CM version of N20 - other international versions of ICD-10 N20 may differ.
Type 1 ExcludesType 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as N20. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
The following code(s) above
N20 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:
- 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
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
Code annotations containing back-references to N20:
ICD-10-CM Codes Adjacent To N20
N18.2 Chronic kidney disease, stage 2 (mild)
N18.3 Chronic kidney disease, stage 3 (moderate)
N18.30 Chronic kidney disease, stage 3 unspecified
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
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
