ICD-10 Z98.84
Billable / SpecificBariatric surgery status
About ICD-10-CM Z98.84
ICD-10-CM code Z98.84 represents Bariatric surgery status. This is a billable/specific code in the Factors Influencing Health Status chapter (block Z98). The 2026 edition of ICD-10-CM Z98.84 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under Z98.84. Per CMS ICD-10-CM Tabular 2026.
- Gastric banding status
- Gastric bypass status for obesity
- Obesity surgery status
Type 1 Excludes
Pure excludes, these codes can never be coded together with Z98.84. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- bariatric surgery status complicating pregnancy, childbirth, or the puerperium (O99.84)
Type 2 Excludes
Not included here, the excluded code is not part of Z98.84, but a patient may have both conditions at the same time. Both codes may be coded together when applicable.
- intestinal bypass and anastomosis status (Z98.0)
Medicare LCD Coverage for Z98.84
Local Coverage Determinations (LCDs) from CMS MACs that list Z98.84 as a covered diagnosis.
Showing top 10 of 144 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing Z98.84.
5 Medicare
2 Aetna
CPT Codes Commonly Billed with Z98.84
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Convert Z98.84 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| Z98.84 | V4586 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To Z98.84
Other codes in section Z77-Z99 (Persons with potential health hazards related to family and personal history and certain conditions influencing health status).
ICD-10 Z98.84, Billing FAQ
Is ICD-10 code Z98.84 billable? +
Yes, Z98.84 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to Z98.84? +
ICD-10 Z98.84 includes: Gastric banding status; Gastric bypass status for obesity; Obesity surgery status.
What codes are Type 1 Excludes for Z98.84? +
Type 1 Excludes (never code together with Z98.84): bariatric surgery status complicating pregnancy, childbirth, or the puerperium (O99.84)
What codes are Type 2 Excludes for Z98.84? +
Type 2 Excludes (may be coded together when both conditions exist): intestinal bypass and anastomosis status (Z98.0)
What ICD-9 codes does Z98.84 map to? +
Per CMS GEMs, Z98.84 maps to ICD-9 codes: V4586. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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