N20.9
BillableUrinary calculus, unspecified
Urinary calculus, unspecified
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 period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Also Known As / Clinical Terms
SNOMED CT
- Calculous pyelonephritis23754003
- Pyelonephritis due to kidney stone23754003
- Urinary calculus95566004
- Urinary stone95566004
- Urolith in urinary system95566004
- Urolithiasis95566004
- Pyelonephritis associated with another disorder197782004
- Secondary pyelonephritis197782004
- Urinary calculus in schistosomiasis197954003
- Long-term disorder of dialysis236542001
- Uric acid urolithiasis267441009
- Radiolucent calculus of urinary tract304543009
- Magnesium ammonium phosphate urolithiasis444690001
- Struvite urolithiasis444690001
- Calcium oxalate urolithiasis444717006
- Indinavir urolithiasis699850008
- Calculus of upper urinary tract717958000
- Matrix stone formation during renal dialysis1153581007
Frequently Asked Questions
What is ICD-10 code N20.9?
ICD-10-CM code N20.9 represents "Urinary calculus, unspecified". It is a billable/specific code that can be used on a claim.
Is N20.9 a billable code?
Yes, N20.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is N20.9 in?
N20.9 is in Chapter 14: Diseases of the Genitourinary System (codes N00-N99).
What codes cannot be used with N20.9?
N20.9 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 N20.9 map to?
N20.9 maps to 12 SNOMED CT concepts: 444717006, 23754003, 717958000, 699850008, 236542001, and 7 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for N20.9?
N20.9 is linked to 1 UMLS Concept Unique Identifier: C4759702. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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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.