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ICD-10-CM Codes
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N00-N99
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N25-N29
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N26-
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2023 ICD-10-CM Diagnosis Code N26
2023 ICD-10-CM Diagnosis Code N26
Unspecified contracted kidney
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
- N26 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 N26 became effective on October 1, 2022.
- This is the American ICD-10-CM version of N26 - other international versions of ICD-10 N26 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 N26. 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.
- contracted kidney due to hypertension (
ICD-10-CM Diagnosis Code I12
- I12 Hypertensive chronic kidney disease
- I12.0 Hypertensive chronic kidney disease with stag...
- I12.9 Hypertensive chronic kidney disease with stag...
- diffuse sclerosing glomerulonephritis (
ICD-10-CM Diagnosis Code N05.8
Unspecified nephritic syndrome with other morphologic changes
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Applicable To- Unspecified nephritic syndrome with proliferative glomerulonephritis NOS
- hypertensive nephrosclerosis (arteriolar) (arteriosclerotic) (
ICD-10-CM Diagnosis Code I12
- I12 Hypertensive chronic kidney disease
- I12.0 Hypertensive chronic kidney disease with stag...
- I12.9 Hypertensive chronic kidney disease with stag...
- small kidney of unknown cause (
ICD-10-CM Diagnosis Code N27
- N27 Small kidney of unknown cause
- N27.0 Small kidney, unilateral
- N27.1 Small kidney, bilateral
- N27.9 Small kidney, unspecified
The following code(s) above
N26 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
N26:
- 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 N26:
ICD-10-CM Codes Adjacent To N26
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
N25.8 Other disorders resulting from impaired renal tubular function
N25.81 Secondary hyperparathyroidism of renal origin
N25.89 Other disorders resulting from impaired renal tubular function
N25.9 Disorder resulting from impaired renal tubular function, unspecified
N26
Unspecified contracted kidney
N26.1 Atrophy of kidney (terminal)
N26.9 Renal sclerosis, unspecified
N27 Small kidney of unknown cause
N27.0 Small kidney, unilateral
N27.1 Small kidney, bilateral
N27.9 Small kidney, unspecified
N28 Other disorders of kidney and ureter, not elsewhere classified
N28.0 Ischemia and infarction of kidney
N28.1 Cyst of kidney, acquired
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
