N20.0
BillableCalculus of kidney
Calculus of kidney
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Nephrolithiasis NOS
- Renal calculus
- Renal stone
- Staghorn calculus
- Stone in kidney
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
Related Codes(3)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(121)
SNOMED CT
- Calculus of kidney95570007
- Kidney calculus95570007
- Kidney stone95570007
- Nephrolith95570007
- Nephrolithiasis95570007
- Renal calculus95570007
- Renal stone95570007
- Staghorn calculus197794008
- Calyceal renal calculus236708007
- Calyceal stone236708007
- Calculus in calyceal diverticulum236709004
- Stone in calyceal diverticulum236709004
- Calculus in renal pelvis236710009
- Stone in renal pelvis236710009
- X-linked recessive nephrolithiasis with renal failure236713006
- Autosomal dominant hypophosphataemic bone disease237890006
- Autosomal dominant hypophosphatemic bone disease237890006
- Dysplasia with defective mineralisation254117007
- Dysplasia with defective mineralization254117007
- Uric acid urolithiasis267441009
- Uric acid nephrolithiasis274401005
- Uric acid renal calculus274401005
- Phosphate calculus of kidney275893001
- Phosphate kidney stone275893001
- Calcium renal calculus427649000
- Dent disease444645005
- Dent's disease444645005
- Calcium oxalate urolithiasis444717006
- Matrix stone of kidney699322002
- Dominant hypophosphataemia with nephrolithiasis and/or osteoporosis783620009
- Dominant hypophosphatemia with nephrolithiasis and/or osteoporosis783620009
- Calcium oxalate calculus of kidney833291009
- Cystine calculus of kidney833293007
- Phosphate staghorn calculus840638005
- Lesion of bone879976004
- Recurrent kidney stone1056501000112102
- Recurrent nephrolithiasis1056501000112102
- Recurrent renal calculus1056501000112102
UMLS
- Calculi, StaghornC0333014
- Calculus, StaghornC0333014
- Stag horn calculusC0333014
- Staghorn CalculiC0333014
- Staghorn CalculusC0333014
- Staghorn calculusC0333014
- Staghorn calculus (disorder)C0333014
- Staghorn calculus (morphologic abnormality)C0333014
- Staghorn renal stoneC0333014
- calculus staghornC0333014
- staghorn calculusC0333014
- Calculus of kidneyC0392525
- Kidney StoneC0392525
- Kidney calculusC0392525
- Kidney stoneC0392525
- Kidney stone (disorder)C0392525
- Kidney stonesC0392525
- NephrolithC0392525
- NephrolithiasisC0392525
- Nephrolithiasis NOSC0392525
- Renal CalculiC0392525
- Renal calculiC0392525
- Renal calculusC0392525
- Renal lithiasisC0392525
- Renal stoneC0392525
- Renal stonesC0392525
- Stone in kidneyC0392525
- lithiasis renalC0392525
- nephrolithiasisC0392525
- renal lithiasisC0392525
Clinical Terms
- Lesion of bone
- Cystine calculus of kidney
- Phosphate kidney stone
- Stone in renal pelvis
- Calyceal renal calculus
- Matrix stone of kidney
- Dysplasia with defective mineralization
- Dent disease
- Renal stone
- Staghorn Calculus
- lithiasis renal
- Uric acid nephrolithiasis
- Calculus, Staghorn
- Kidney calculus
- Nephrolith
- Staghorn calculus (morphologic abnormality)
- Renal calculus
- Uric acid urolithiasis
- Calculus in calyceal diverticulum
- Staghorn Calculi
- Staghorn calculus (disorder)
- Recurrent nephrolithiasis
- Renal calculi
- Calyceal stone
- Phosphate staghorn calculus
- Calculi, Staghorn
- Kidney stone
- renal lithiasis
- Autosomal dominant hypophosphataemic bone disease
- Calculus in renal pelvis
- Recurrent renal calculus
- Dysplasia with defective mineralisation
- Dent's disease
- Staghorn renal stone
- Nephrolithiasis NOS
- Calcium renal calculus
- Dominant hypophosphatemia with nephrolithiasis and/or osteoporosis
- Uric acid renal calculus
- Renal stones
- Phosphate calculus of kidney
- calculus staghorn
- Stone in kidney
- Stone in calyceal diverticulum
- nephrolithiasis
- Recurrent kidney stone
- Kidney stone (disorder)
- Kidney stones
- Calcium oxalate calculus of kidney
- Autosomal dominant hypophosphatemic bone disease
- Calcium oxalate urolithiasis
- Dominant hypophosphataemia with nephrolithiasis and/or osteoporosis
- Stag horn calculus
- X-linked recessive nephrolithiasis with renal failure
Frequently Asked Questions
What is the ICD-10 code for calculus of kidney?
The ICD-10-CM code for calculus of kidney is N20.0. The full clinical description is "Calculus of kidney". N20.0 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code N20.0 mean?
ICD-10-CM code N20.0 represents “Calculus 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 N20.0 a billable code?
Yes, N20.0 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is N20.0 in?
N20.0 is in Chapter 14: Diseases of the Genitourinary System (codes N00-N99).
What codes cannot be used with N20.0?
N20.0 has Excludes1 notes indicating codes that cannot be used together with it, including: nephrocalcinosis (E83.59); that with hydronephrosis (N13.2).
What SNOMED CT codes does N20.0 map to?
N20.0 maps to 21 SNOMED CT concepts: 237890006, 833291009, 444717006, 427649000, 236709004, and 16 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for N20.0?
N20.0 is linked to 2 UMLS Concept Unique Identifiers: C0333014, C0392525. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does N20.0 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like calculus 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 N20.0?
N20.0 maps to the ICD-11 code: GB70.0Z (Calculus of kidney, unspecified).
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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.