Q63.3 — Hyperplastic and giant kidney
Q63.3 is a billable, specific ICD-10-CM code for hyperplastic and giant kidney. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Compensatory hypertrophy of kidney
Risk adjustment
Q63.3 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
Q63.3 is named in 1 Medicare coverage policy — 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56421Billing and Coding: CT of the Abdomen and Pelvis
How Q63.3 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to Q63.3.
- Giant›kidney, congenital
- Hyperplasia, hyperplastic›kidney(congenital)
- Hypertrophy, hypertrophic›kidney›congenital
- Malformation›kidney›giant
Related codes at this level
Codes that share Q63. If Q63.3 is not quite right, the correct code is usually one of these.
Questions about Q63.3
- Is Q63.3 a billable ICD-10-CM code?
- Yes. Q63.3 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does Q63.3 sit in the tabular list?
- Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0), in the block Congenital malformations of the urinary system (Q60-Q64).