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Q52.9

Q52.9Congenital malformation of female genitalia, unspecified

Billable / specific codeICD-10-CMPOA exempt

Q52.9 is a billable, specific ICD-10-CM code for congenital malformation of female genitalia, unspecified. It is valid for submission on a claim.

Risk adjustment

Q52.9 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

Q52.9 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 Q52.9 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 Q52.9.

  • Anomaly, anomalousgenitalia, genital organ or systemfemale
  • Anomaly, anomalousgenitourinary NECfemale
  • Deformitygenitalia, genital organ or system NECfemale(congenital)
  • Anomaly, anomalousgenitalia, genital organ or systemfemaleinternal NOS

Related codes at this level

Codes that share Q52. If Q52.9 is not quite right, the correct code is usually one of these.

Questions about Q52.9

Is Q52.9 a billable ICD-10-CM code?
Yes. Q52.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Q52.9 sit in the tabular list?
Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0), in the block Congenital malformations of genital organs (Q50-Q56).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.