Z98.84 Bariatric surgery status

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Applicable to

• Gastric banding status
• Gastric bypass status for obesity
• Obesity surgery status

Excludes1 (never code together)

• bariatric surgery status complicating pregnancy, childbirth, or the puerperium (O99.84)

Excludes2 (not included here)

• intestinal bypass and anastomosis status (Z98.0)

Applies from Z98 Other postprocedural states

Excludes2 (not included here)

• aftercare (Z43-Z49, Z51)
• follow-up medical care (Z08-Z09)
• Fontan related circulation (I27.84-)
• postprocedural complication - see Alphabetical Index

MS-DRG index

Defines the logic of DRG(s) 951 in MDC 23.

Approximate ICD-9-CM (GEMs)

• V45.86 Bariatric surgery status

Medicare Code Edits (MCE v43.1 (April 2026))

• Unacceptable principal diagnosis: These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.

Code annotations containing back-references to Z98.84

Back-references to Z98.84

• Type 2 Excludes: Z98.0 Intestinal bypass and anastomosis status ("bariatric surgery status (Z98.84)")
• Type 2 Excludes: Z98.0 Intestinal bypass and anastomosis status ("gastric bypass status (Z98.84)")
• Type 2 Excludes: Z98.0 Intestinal bypass and anastomosis status ("obesity surgery status (Z98.84)")

Back-references to Z98

• Type 2 Excludes: Z78 Other specified health status ("postprocedural status (Z93-Z99)")
• Type 2 Excludes: Z87.7 Personal history of (corrected) congenital malformations ("other postprocedural states (Z98.-)")
• Type 2 Excludes: Z92 Personal history of medical treatment ("postprocedural states (Z98.-)")

Diagnosis Index entries for Z98.84

• Status (post) › bariatric surgery
• Status (post) › gastric banding
• Status (post) › gastric bypass for obesity
• Status (post) › obesity surgery

Nearby codes

• Z98.810 Dental sealant status
• Z98.811 Dental restoration status
• Z98.818 Other dental procedure status
• Z98.82 Breast implant status
• Z98.83 Filtering (vitreous) bleb after glaucoma surgery status
• Z98.84 Bariatric surgery status (this code)
• Z98.85 Transplanted organ removal status
• Z98.86 Personal history of breast implant removal
• Z98.87 Personal history of in utero procedure
• Z98.870 Personal history of in utero procedure during pregnancy
• Z98.871 Personal history of in utero procedure while a fetus