ICD-10-CM Z56.1
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z56.1 is a billable ICD-10-CM diagnosis code for change of job. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 951. The code is restricted by the Medicare Code Editor to adult patients (age 15 through 124), not accepted as a principal diagnosis, and exempt from POA reporting. Coders also document this condition as career changed. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Socioeconomic/psychosocial factors.

Code Identity

ICD-10-CM Code
Z56.1
Billable Status
Yes — Valid for Submission
Code Describes
Change of job
Short Description
Change of job
Same as the full description in the CMS dataset.
Parent Code
Problems related to employment and unemployment

Code Classification

ChapterZ00–Z99Factors influencing health status and contact with health services
SectionZ55-Z65Persons with potential health hazards related to socioeconomic and psychosocial circumstances
CategoryZ56Problems related to employment and unemployment
This CodeZ56.1Change of job

Code EditsBilling

Medicare Code Editor checks that affect claim validity for Z56.1.

The Medicare Code Editor detects inconsistencies in adult cases by checking a patient's age and any diagnosis on the patient's record. The adult code edits apply to patients age range is 15–124 years inclusive (e.g., senile delirium, mature cataract).
There are selected codes that describe a circumstance which influences an individual's health status but not a current illness or injury, or codes that are not specific manifestations but may be due to an underlying cause. These codes are considered unacceptable as a principal diagnosis.

Present on Admission (POA)Billing

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Career changed
  • Change of work - same employer
  • Changed job
  • Changed job description
  • Changing job
  • Leaving job

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR FAC019
Socioeconomic/psychosocial factors
Default principal diagnosis: inpatient No · outpatient No

Convert Z56.1 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
V62.29 Occupationl circumst NEC
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Z56.1Overview

What is the ICD-10 code for change of job?

The ICD-10-CM code for change of job is Z56.1 (sometimes written as Z561). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Is Z56.1 (Problems related to employment and unemployment) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report change of job on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does Z56.1 group to?

On inpatient claims, change of job maps to MS-DRG 951 (other Factors Influencing Health Status), which carries a relative weight of 0.556. Higher weights mean higher Medicare reimbursement.

Can Z56.1 be a principal diagnosis?

No. The Medicare Code Editor rejects this code as a principal diagnosis because change of job describes a circumstance that influences health status rather than a current illness. Report it as a secondary diagnosis.

Who can Z56.1 be reported for?

The Medicare Code Editor checks change of job against patient demographics: this code is intended for adult patients (age 15 through 124). Claims outside these limits are flagged as inconsistent.