Is Z98.0 a billable ICD-10-CM code?

Yes. Z98.0 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does Z98.0 sit in the tabular list?

Factors influencing health status and contact with health services (Z00-Z99), in the block Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99).

Z98.0

Z98.0 — Intestinal bypass and anastomosis status

Billable / specific codeICD-10-CMPOA exempt

Z98.0 is a billable, specific ICD-10-CM code for intestinal bypass and anastomosis status. It is valid for submission on a claim.

Excludes2 — not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

bariatric surgery status (Z98.84)
gastric bypass status (Z98.84)
obesity surgery status (Z98.84)

Risk adjustment

Z98.0 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

Z98.0 is named in 5 Medicare coverage policies — 5 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A56416Billing and Coding: Assays for Vitamins and Metabolic Function
A56416Billing and Coding: Assays for Vitamins and Metabolic Function
A56841Billing and Coding: Vitamin D; 25 hydroxy, includes fraction(s), if performed
A57484Billing and Coding: Vitamin D Assay Testing

How Z98.0 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 Z98.0.

Presence›intestinal bypass or anastomosis
Status›anastomosis
Status›intestinal bypass
Status›reversed jejunal transposition(for bypass)
Transposition›reversed jejunal(for bypass) (status)

Related codes at this level

Codes that share Z98. If Z98.0 is not quite right, the correct code is usually one of these.

Questions about Z98.0

Is Z98.0 a billable ICD-10-CM code?: Yes. Z98.0 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z98.0 sit in the tabular list?: Factors influencing health status and contact with health services (Z00-Z99), in the block Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99).