Z91.A28: Carers intentl undrdose of meds regimen for other reason
Caregiver's intentional underdosing of medication regimen for other reason
Quick Clinical & Billing Summary
What is ICD-10-CM code Z91.A28? Z91.A28 represents Carers intentl undrdose of meds regimen for other reason. Under official CDC guidelines, this code is billable and specific for claim submission.
Code Hierarchy & Classification
Clinical Guidance & Documentation Standards
Associated Procedures & Medicare RVU Reimbursement
Open RVU Calculator →Typical outpatient and office evaluation procedures frequently billed alongside diagnosis Z91.A28:
| CPT/HCPCS | Description | Work RVU | Non-Facility Fee | Facility Fee |
|---|---|---|---|---|
| 99213 | Office/outpatient visit, established patient, 20-29 minutes (Low MDM) | 1.30 | $91.69 | $66.79 |
| 99214 | Office/outpatient visit, established patient, 30-39 minutes (Moderate MDM) | 1.92 | $133.61 | $100.21 |
| 96372 | Therapeutic, prophylactic, or diagnostic injection (subcutaneous/intramuscular) | 0.17 | $18.34 | $12.44 |
CPT Modifier & Billing Rules
Append when a significant, separately identifiable evaluation and management service is provided on the same calendar day as a minor surgical procedure or injection.
Identifies procedures or services not normally reported together but distinct under the clinical circumstances. Use CMS X-modifiers (XE, XS, XP, XU) where required by Medicare.
Frequently Asked Questions about Z91.A28
Is Z91.A28 a billable ICD-10 code?
Yes, Z91.A28 is a valid, billable and specific ICD-10-CM code. It can be reported as a primary or secondary diagnosis on medical claims.
What is the ICD-10 code for Carers intentl undrdose of meds regimen for other reason?
The primary ICD-10-CM code for Carers intentl undrdose of meds regimen for other reason is Z91.A28.
What is the effective date of the current Z91.A28 code?
The code is active for fiscal year FY2027, effective starting 2026-10-01.
Preparing for the Certified Professional Coder Exam?
Practice ICD-10-CM code identification, sequencing rules, and guideline application with the full CPC Exam Blueprint course.