N28.81
BillableHypertrophy of kidney
Hypertrophy of kidney
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •disorders of kidney and ureter with urolithiasisN20-N23
Related Codes(6)
Also Known As / Clinical Terms(37)
SNOMED CT
- Hypertrophy of kidney88531004
- Enlarged kidney300444006
- Large kidney300444006
- Nephromegaly300444006
- Renomegaly300444006
- Compensatory hypertrophy of single kidney302922004
- Congenital hypoplasia of left kidney762913001
- Hypoplasia of left kidney762913001
- Left renal hypoplasia762913001
- Congenital hypoplasia of right kidney762914007
- Hypoplasia of right kidney762914007
- Right renal hypoplasia762914007
- Hypertrophy of right kidney co-occurrent and due to congenital hypoplasia of left kidney765154003
- Hypertrophy of left kidney co-occurrent and due to congenital hypoplasia of right kidney765155002
UMLS
Clinical Terms
- Left renal hypoplasia
- Hypertrophy of left kidney co-occurrent and due to congenital hypoplasia of right kidney
- Hypertrophy of kidney (disorder)
- Renal Hypertrophy
- Hypoplasia of right kidney
- Nephromegaly
- Right renal hypoplasia
- kidney hypertrophy
- Hypoplasia of left kidney
- Congenital hypoplasia of right kidney
- Enlarged kidney
- Renomegaly
- Compensatory hypertrophy of single kidney
- Large kidney
- Hypertrophy of right kidney co-occurrent and due to congenital hypoplasia of left kidney
- Congenital hypoplasia of left kidney
Frequently Asked Questions
What is the ICD-10 code for hypertrophy of kidney?
The ICD-10-CM code for hypertrophy of kidney is N28.81. The full clinical description is "Hypertrophy of kidney". N28.81 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code N28.81 mean?
ICD-10-CM code N28.81 represents “Hypertrophy of kidney”. It is classified under Chapter 14: Diseases of the Genitourinary System and is a billable/specific code that can be used on a claim.
Is N28.81 a billable code?
Yes, N28.81 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is N28.81 in?
N28.81 is in Chapter 14: Diseases of the Genitourinary System (codes N00-N99).
What codes cannot be used with N28.81?
N28.81 has Excludes1 notes indicating codes that cannot be used together with it, including: hydroureter (N13.4); ureteric stricture with hydronephrosis (N13.1); ureteric stricture without hydronephrosis (N13.5).
What SNOMED CT codes does N28.81 map to?
N28.81 maps to 7 SNOMED CT concepts: 302922004, 762913001, 762914007, 300444006, 88531004, and 2 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for N28.81?
N28.81 is linked to 1 UMLS Concept Unique Identifier: C0156259. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does N28.81 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like hypertrophy of kidney affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of N28.81?
There is no direct ICD-11 mapping available for N28.81 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.