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Home/Diagnosis/ICD-10 Coding for Lymphocytosis

ICD-10 Coding for Lymphocytosis

D72.820
C91.10

Complete ICD-10-CM coding and documentation guide for icd-10 coding for lymphocytosis includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Elevated lymphocyte count
High lymphocyte count
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Key Information: ICD-10 Coding for Lymphocytosis

Essential facts and insights about ICD-10 Coding for Lymphocytosis

Use ICD-10 code D72.820 for symptomatic lymphocytosis, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Symptomatic lymphocytosis

Billable Code
D72.820
Billable

Diagnostic Criteria

clinical:
  • • Presence of B-symptoms like night sweats or weight loss
documentation:
  • • Documented ALC >5,000/µL

Applicable To

  • • Symptomatic elevated lymphocyte count

Important Notes

  • • Ensure symptoms are documented to justify symptomatic coding.

Chronic lymphocytic leukemia of B-cell type, not having achieved remission

Billable Code
C91.10
Billable

Diagnostic Criteria

clinical:
  • • Flow cytometry confirming CD5+/CD23+ B-cells

Applicable To

  • • CLL with lymphocytosis

Important Notes

  • • Ensure CLL diagnosis is supported by lab results.
Ancillary Codes

Additional codes that may be used with this diagnosis

R59.9

Enlarged lymph nodes

Use when lymphadenopathy is present alongside lymphocytosis.

Frequently Asked Questions

What is the ICD-10 code for symptomatic lymphocytosis?

The ICD-10 code for symptomatic lymphocytosis is D72.820, used when symptoms such as fatigue or night sweats are present.

How do you code asymptomatic lymphocytosis?

For asymptomatic lymphocytosis, use ICD-10 code D72.89, which covers other specified white cell disorders.

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