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ICD-10 Coding for Lymphocytopenia(D72.810)

Complete ICD-10-CM coding and documentation guide for Lymphocytopenia. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

LymphopeniaLow lymphocyte count

Related ICD-10 Code Ranges

Complete code families applicable to Lymphocytopenia

D70-D77Primary Range

Other disorders of blood and blood-forming organs

This range includes disorders related to white blood cells, including lymphocytopenia.

Key Information: ICD-10 code for lymphocytopenia

Essential facts and insights about Lymphocytopenia

The ICD-10 code for lymphocytopenia is D72.810, used for confirmed low lymphocyte counts.

Primary ICD-10-CM Code for lymphocytopenia

Lymphocytopenia
Billable Code

Decision Criteria

clinical Criteria

  • Absolute lymphocyte count <1,000/mcL confirmed by lab tests

coding Criteria

  • Sequence with underlying cause codes as appropriate

documentation Criteria

  • Document specific lymphocyte subset depletion

Applicable To

  • Absolute lymphocyte count <1,000/mcL in adults
  • Flow cytometry confirming lymphocyte subset depletion

Excludes

Clinical Validation Requirements

  • Two CBCs ≥24hr apart showing ALC <1,000/mcL
  • Flow cytometry report quantifying lymphocyte subsets

Code-Specific Risks

  • Misclassification if cause is not specified
  • Incorrect sequencing with related conditions

Coding Notes

  • Ensure documentation specifies the cause, duration, and severity of lymphocytopenia.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Encounter for antineoplastic chemotherapy

Z51.11
Use when lymphocytopenia is due to chemotherapy.

HIV disease

B20
Use when lymphocytopenia is associated with HIV.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Decreased WBC count, unspecified

D72.819
Use when specific lymphocyte data is unavailable.

Neutropenia, unspecified

D70.9
Use when neutrophil count is specifically low, not lymphocytes.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Lymphocytopenia to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code D72.810.

Impact

Clinical: May lead to inappropriate treatment plans., Regulatory: Non-compliance with coding standards., Financial: Potential loss of reimbursement.

Mitigation Strategy

Ensure thorough patient history and lab results are documented.

Impact

Reimbursement: Potential underpayment due to incorrect DRG assignment., Compliance: Non-compliance with ICD-10 coding guidelines., Data Quality: Inaccurate clinical data affecting patient records.

Mitigation Strategy

Query provider for confirmation of lymphocytopenia based on CBC differential.

Impact

Failure to sequence codes correctly can lead to audit flags.

Mitigation Strategy

Ensure training on proper sequencing rules for conditions like HIV and chemotherapy.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Lymphocytopenia, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Lymphocytopenia

Use these documentation templates to ensure complete and accurate documentation for Lymphocytopenia. These templates include all required elements for proper coding and billing.

Oncology patient with chemotherapy-induced lymphocytopenia

Specialty: Oncology

Required Elements

  • Patient history
  • Chemotherapy regimen
  • CBC results
  • Flow cytometry findings

Example Documentation

Patient with DLBCL post R-EPOCH: Day 14 CBC shows ALC 650/mcL, flow cytometry confirms CD19+ B-cells <1%.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Low lymphocytes post-chemo.
Good Documentation Example
Doxorubicin-induced lymphocytopenia with ALC 720/mcL, requiring treatment delay.
Explanation
The good example provides specific counts and treatment implications.

Need help with ICD-10 coding for Lymphocytopenia? Ask your questions below.

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