N27Non-billable (header)

Small kidney of unknown cause

Related Codes· Other disorders of kidney and ureter (N25-N29)

N25Disorders resulting from impaired renal tubular functionN26Unspecified contracted kidneyN28Other disorders of kidney and ureter, not elsewhere classifi…N29Other disorders of kidney and ureter in diseases classified …

Sub-codes of N27(3)

N27 is a non-billable header. Select a sub-code to bill.

N27.0Small kidney, unilateral✓ BillableN27.1Small kidney, bilateral✓ BillableN27.9Small kidney, unspecified✓ Billable

✓ Includes

  • •oligonephronia

Code Hierarchy

┌14Diseases of the genitourinary system (N00-N99)├N25-N29Other disorders of kidney and ureter (N25-N29)├N27Small kidney of unknown cause
└N27Small kidney of unknown cause

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