Is Z99.1 a billable ICD-10 code?

No. Z99.1 is a non-billable header code. Use a more specific subcategory for claims.

Z99.1 ⚠ Non-billable

Dependence on respirator

Q: What is ICD-10 code Z99.1?

ICD-10-CM code Z99.1 stands for "Dependence on respirator". It is a non-billable header code in the Factors Influencing Health Status chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Factors Influencing Health Status

Code

Z99.1

System

ICD-10-CM

Billable

No — use specific code

Effective

FY2026

Chapter

Factors Influencing Health Status

Source

CMS / CDC NCHS

⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code Z99.1?

ICD-10-CM code Z99.1 represents Dependence on respirator. It is a non-billable header code requiring a more specific subcategory in the Factors Influencing Health Status chapter, effective October 1, 2025 – September 30, 2026.

Is Z99.1 billable?

No. Z99.1 is a non-billable header. Select a more specific subcategory for claims submission.

What chapter is Z99.1 in?

Z99.1 belongs to the Factors Influencing Health Status chapter (Z00–Z99) of ICD-10-CM.

Related codes in the Z99 category

Z99 Dependence on enabling machines and devices, not elsewhere classified Non-billable Z99.0 Dependence on aspirator Billable Z99.2 Dependence on renal dialysis Billable Z99.3 Dependence on wheelchair Billable Z99.8 Dependence on other enabling machines and devices Non-billable Z99.11 Dependence on respirator [ventilator] status Billable Z99.12 Encounter for respirator [ventilator] dependence during power failure Billable Z99.81 Dependence on supplemental oxygen Billable

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