N27.0
Small kidney, unilateral
Billable code
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
Inherited from N27Small kidney of unknown cause
Includes
oligonephronia
Inherited from N25-N29Other disorders of kidney and ureter
Excludes 2
disorders of kidney and ureter with urolithiasis (N20-N23)
Inherited from chapter 14Diseases of the genitourinary system
Excludes 2
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)