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Z99.2
ICD-10-CM
Hemodialysis

Find comprehensive information on hemodialysis, including clinical documentation requirements, medical coding guidelines for ICD-10 codes (N18.5, N18.6) and CPT codes (90935, 90937, 90940), vascular access management, and best practices for healthcare professionals. Learn about dialysis treatment, end-stage renal disease (ESRD) management, and related complications for accurate coding and optimal patient care. This resource covers key aspects of hemodialysis for physicians, nurses, and medical coders seeking accurate and up-to-date information.

Also known as

Renal Dialysis
Kidney Dialysis

Diagnosis Snapshot

Key Facts
  • Definition : Blood filtering procedure that removes waste and excess fluid when kidneys fail.
  • Clinical Signs : Fluid overload, swelling, shortness of breath, fatigue, high blood pressure, elevated potassium.
  • Common Settings : Dialysis centers, hospitals, sometimes at home with special equipment and training.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC Z99.2 Coding
Z99.2

Dependence on renal dialysis

Patient requires regular dialysis for kidney failure.

N45.1

Chronic kidney disease stage 5

Advanced kidney disease requiring dialysis or transplant.

I12.0

Hypertensive chronic kidney disease with stage 5 chronic kidney disease

Kidney failure due to high blood pressure, requiring dialysis/transplant.

I13.1

Hypertensive heart and chronic kidney disease with stage 5 chronic kidney disease

Heart and kidney failure from high blood pressure needing dialysis/transplant.

Code-Specific Guidance

Decision Tree for

Follow this step-by-step guide to choose the correct ICD-10 code.

Is the hemodialysis for chronic kidney disease?

  • Yes

    Is there stage 5 chronic kidney disease?

  • No

    Is it for acute kidney injury?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Hemodialysis
Peritoneal dialysis
Chronic kidney disease stage 5

Documentation Best Practices

Documentation Checklist
  • Hemodialysis documentation: ICD-10, CPT codes
  • Vascular access type, location documented
  • Dialysis duration, total fluid removal
  • Pre and post-dialysis vitals recorded
  • Medications administered during treatment

Coding and Audit Risks

Common Risks
  • Fistula Complication Coding

    Inaccurate coding of complications related to AV fistula or graft, such as stenosis or infection, impacting reimbursement and quality metrics.

  • Hemodialysis Time Capture

    Insufficient documentation of hemodialysis session time, leading to undercoding or overcoding and potential compliance issues.

  • Comorbidity Documentation

    Incomplete capture of comorbidities like hypertension or diabetes impacting accurate case-mix adjustment and appropriate reimbursement.

Mitigation Tips

Best Practices
  • Document AV fistula/graft creation for accurate coding.
  • Code HD sessions correctly with laterality and time.
  • Ensure proper documentation of complications for compliance.
  • Query physicians for clarification to improve CDI for HD.
  • Regularly audit HD documentation for coding and billing accuracy.

Clinical Decision Support

Checklist
  • Verify CKD stage 5 documentation (ICD-10 N18.5, N18.6)
  • Confirm GFR <15 mL/min/1.73m^2 or urea clearance
  • Document dialysis access type and function
  • Assess for dialysis complications (hypotension, etc.)

Reimbursement and Quality Metrics

Impact Summary
  • Hemodialysis Reimbursement: CPT 90935, 90937, 90940 impact payment. Coding accuracy crucial.
  • Quality Metrics: ESRD QIP measures (Kt/V, URR, vascular access) affect reimbursement.
  • Hospital Reporting: Hemodialysis data impacts CMS reporting and value-based purchasing.
  • ICD-10 Coding: N18.6, Z99.2 affect DRG assignment and accurate hemodialysis reimbursement.

Streamline Your Medical Coding

Let S10.AI help you select the most accurate ICD-10 codes for . Our AI-powered assistant ensures compliance and reduces coding errors.

Frequently Asked Questions

Common Questions and Answers

Q: What are the most effective strategies for managing intradialytic hypotension in patients undergoing hemodialysis, considering both immediate and long-term interventions?

A: Intradialytic hypotension (IDH) is a frequent complication in hemodialysis, impacting patient outcomes and quality of life. Effective management requires a multi-faceted approach. Immediate interventions include reducing ultrafiltration rate, administering saline boluses, and adjusting dialysate temperature. Long-term strategies involve optimizing dry weight, managing interdialytic weight gain, and addressing underlying contributing factors such as autonomic dysfunction or medications. Explore how individualized sodium profiling and bioimpedance spectroscopy can contribute to optimized fluid management and reduce IDH incidence. Consider implementing protocols for proactive identification and management of IDH based on patient-specific risk factors. Learn more about the role of midodrine and other pharmacological interventions in refractory cases.

Q: How can I differentiate between different types of access-related complications in hemodialysis patients (e.g., stenosis, thrombosis, infection) and determine the most appropriate intervention for each?

A: Differentiating between access-related complications requires careful clinical evaluation and appropriate diagnostic testing. Stenosis often presents with decreased thrill or bruit, prolonged bleeding time, and increased venous pressure during dialysis. Doppler ultrasound is the gold standard for diagnosis. Thrombosis may manifest as sudden loss of access function, pain, and swelling. Treatment often involves thrombolysis or surgical thrombectomy. Infection, indicated by redness, warmth, pain, and fever, often requires antibiotic therapy and potential surgical intervention. Consider implementing routine access surveillance protocols to detect early signs of complications. Explore how the use of standardized diagnostic algorithms can ensure prompt and appropriate intervention for each specific access issue. Learn more about the latest guidelines for infection prevention and control in hemodialysis settings.

Quick Tips

Practical Coding Tips
  • Code ESRD with HD Z99.2
  • HD type: in or outpatient?
  • 7th character for HD access
  • Document HD duration/frequency
  • Check V codes for HD complications

Documentation Templates

Patient presents for scheduled hemodialysis treatment due to end-stage renal disease (ESRD).  The patient reports feeling generally well today, with no new complaints of fatigue, shortness of breath, edema, or chest pain.  Vital signs stable and within normal limits.  Pre-dialysis weight of [weight] kg, blood pressure of [blood pressure], and heart rate of [heart rate].  Access site (arteriovenous fistula or arteriovenous graft) examined and found to be patent, without signs of infection or thrombosis.  Hemodialysis treatment initiated with [dialyzer type] dialyzer and [dialysate prescription], targeting a prescribed fluid removal of [fluid removal amount].  Treatment duration [duration] hours.  Intra-dialytic vitals monitored continuously and remained stable.  Post-dialysis weight of [weight] kg achieved.  Patient tolerated the treatment well without any adverse events such as hypotension, muscle cramps, or nausea.  Post-dialysis blood pressure of [blood pressure] and heart rate of [heart rate].  Access site remains patent and without complications.  Patient discharged in stable condition with instructions to follow prescribed renal diet, fluid restrictions, and medication regimen.  Follow-up appointment scheduled for [date].  ICD-10 code N99.2 (Maintenance dialysis) and CPT code 90935 (Hemodialysis procedure) are appropriate for this encounter.  Documentation supports medical necessity for ongoing hemodialysis treatment due to chronic kidney disease stage 5.