Z46.51 – Encounter for fitting and adjustment of gastric lap band

ICD-10-CM 2027 diagnosis code · Encounters for other specific health care

Billable code

ICD-10-CM code Z46.51
Code
Z46.51 (claims format: Z4651)
Description
Encounter for fitting and adjustment of gastric lap band
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
21. Factors influencing health status and contact with health services (Z00-Z99)
Block
Z40-Z53 Encounters for other specific health care
Parent codes
Z46 › Z46.5

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Z46 – Encounter for fitting and adjustment of other devices

Includes:
  • removal or replacement of other device
Excludes1 (not coded here):
  • malfunction or other complications of device - see Alphabetical Index
Excludes2 (not included here):
  • encounter for fitting and management of implanted devices (Z45.-)
  • issue of repeat prescription only (Z76.0)
  • presence of prosthetic and other devices (Z95-Z97)

Z46.5 – Encounter for fitting and adjustment of other gastrointestinal appliance and device

Excludes1 (not coded here):
  • encounter for attention to artificial openings of digestive tract (Z43.1-Z43.4)

Block Z40-Z53

Applicable to:
  • Categories Z40-Z53 are intended for use to indicate a reason for care. They may be used for patients who have already been treated for a disease or injury, but who are receiving aftercare or prophylactic care, or care to consolidate the treatment, or to deal with a residual state
Excludes2 (not included here):
  • follow-up examination for medical surveillance after treatment (Z08-Z09)

Index terms for Z46.51

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in Z46.5

Frequently asked questions

What is ICD-10 code Z46.51?

Z46.51 is the ICD-10-CM code for encounter for fitting and adjustment of gastric lap band, in the block Z40-Z53 (Encounters for other specific health care).

Is Z46.51 a billable code?

Yes. Z46.51 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Z46.51 belong to?

It belongs to category Z46 – Encounter for fitting and adjustment of other devices.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.