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O99.840

O99.840: Bariatric surgery status complicating pregnancy, unspecified trimester

Billable / specific codeICD-10-CM

O99.840 is a billable, specific ICD-10-CM code for bariatric surgery status complicating pregnancy, unspecified trimester. It is valid for submission on a claim.

Check O99.840 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above O99.840

Not part of this code, but both may be coded when both are present.

Written on O99.8: Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium

  • genitourinary infections in pregnancy (O23.-)
  • infection of genitourinary tract following delivery (O86.1-O86.4)
  • malignant neoplasm complicating pregnancy, childbirth and the puerperium (O9A.1-)
  • maternal care for known or suspected abnormality of maternal pelvic organs (O34.-)
  • postpartum acute kidney failure (O90.49)
  • traumatic injuries in pregnancy (O9A.2-)

Written on O99: Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium

  • when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under O99.84

ICD-10-CMFY2027· effective October 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.