Q64.31 — Congenital bladder neck obstruction
Q64.31 is a billable, specific ICD-10-CM code for congenital bladder neck obstruction. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Congenital obstruction of vesicourethral orifice
Risk adjustment
Q64.31 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
Q64.31 is named in 3 Medicare coverage policies — 3 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
- A56802Billing and Coding: Urodynamics
- A57455Billing and Coding: Urodynamics
How Q64.31 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 Q64.31.
- Atresia, atretic›vesicourethral orifice
- Stenosis, stenotic›vesicourethral orifice
- Anomaly, anomalous›bladder›neck obstruction
- Atresia, atretic›bladder›obstruction
- Malformation›bladder›neck obstruction
- Obstruction, obstructed, obstructive›bladder-neck›congenital
- Obstruction, obstructed, obstructive›vesicourethral orifice›congenital
- Stenosis, stenotic›bladder-neck›congenital
- Stricture›vesicourethral orifice›congenital
Related codes at this level
Codes that share Q64.3. If Q64.31 is not quite right, the correct code is usually one of these.
Questions about Q64.31
- Is Q64.31 a billable ICD-10-CM code?
- Yes. Q64.31 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does Q64.31 sit in the tabular list?
- Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0), in the block Congenital malformations of the urinary system (Q60-Q64).