N28.1
N28.1: Cyst of kidney, acquired
Billable / specific codeICD-10-CM
N28.1 is a billable, specific ICD-10-CM code for cyst of kidney, acquired. It is valid for submission on a claim.
Check N28.1 with the rest of the claim: free scrubberExcludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- cystic kidney disease (congenital) (Q61.-)
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Cyst (multiple) (solitary) of kidney (acquired)
Other codes that can never be billed with N28.1
Their own Excludes1 notes name this code, so the conflict is not listed above.
- Q61Cystic kidney disease
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
N28.1 is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A55336Billing and Coding: Retroperitoneal Ultrasound
- A56421Billing and Coding: CT of the Abdomen and Pelvis
Alphabetic index entries that lead here
- Cyst›kidney
- Cyst›paranephric
- Cyst›peripelvic(lymphatic)
- Solitary›cyst, kidney
- Cyst›kidney›acquired
- Cyst›kidney›simple
- Cyst›kidney›solitary(single)
- Cyst›solitary›kidney
- Cyst›kidney›solitary›acquired
Code history
Unchanged in every release from FY2024 to FY2027.