ICD-10 Diagnosis Code N21.1

Calculus in urethra

Diagnosis Code N21.1

ICD-10: N21.1
Short Description: Calculus in urethra
Long Description: Calculus in urethra
This is the 2017 version of the ICD-10-CM diagnosis code N21.1

Valid for Submission
The code N21.1 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the genitourinary system (N00–N99)
    • Urolithiasis (N20-N23)
      • Calculus of lower urinary tract (N21)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code N21.1 is grouped in the following Diagnostic Related Group(s) (MS-DRG V34.0)

  • 691 - URINARY STONES WITH ESW LITHOTRIPSY WITH CC/MCC
  • 692 - URINARY STONES WITH ESW LITHOTRIPSY WITHOUT CC/MCC
  • 693 - URINARY STONES WITHOUT ESW LITHOTRIPSY WITH MCC
  • 694 - URINARY STONES WITHOUT ESW LITHOTRIPSY WITHOUT MCC

Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.
  • 594.2 - Urethral calculus

Synonyms
  • Calculus in urethra
  • On examination - urethral calculus

Index of Diseases and Injuries
References found for the code N21.1 in the Index of Diseases and Injuries:


Information for Patients


Urethral Disorders

The urethra is the tube that allows urine to pass out of the body. In men, it's a long tube that runs through the penis. It also carries semen in men. In women, it's short and is just above the vagina. Urethral problems may happen due to aging, illness, or injury. They include

  • Urethral cancer - a rare cancer that happens more often in men
  • Urethral stricture - a narrowing of the opening of the urethra
  • Urethritis - inflammation of the urethra, sometimes caused by infection

Urethral problems may cause pain or difficulty passing urine. You may also have bleeding or discharge from the urethra.

Doctors diagnose urethral problems using different tests. These include urine tests, x-rays and an examination of the urethra with a scope called a cystoscope. Treatment depends on the cause of the problem. It may include medicines and, in severe cases, surgery.

  • Chlamydial infections - male
  • Epispadias
  • Meatal stenosis
  • Self catheterization - female
  • Self catheterization - male
  • Traumatic injury of the bladder and urethra
  • Urethral discharge culture
  • Urethral stricture
  • Urethritis
  • Urinary Retention - NIH (National Institute of Diabetes and Digestive and Kidney Diseases)


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