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Home/Diagnosis/ICD-10 Coding for Cryptococcal Meningitis

ICD-10 Coding for Cryptococcal Meningitis

B45.1
B20

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

Also Known as:
Cerebral Cryptococcosis
Fungal Meningitis
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Key Information: ICD-10 Coding for Cryptococcal Meningitis

Essential facts and insights about ICD-10 Coding for Cryptococcal Meningitis

Use ICD-10 code B45.1 for cerebral cryptococcosis, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Cerebral cryptococcosis

Billable Code
B45.1
Billable

Diagnostic Criteria

clinical:
  • • Positive CSF CrAg or culture for Cryptococcus
documentation:
  • • Explicit mention of cryptococcal meningitis

Applicable To

  • • Cryptococcal meningitis

Important Notes

  • • Ensure explicit documentation of cryptococcal meningitis and any linkage to HIV.

Human immunodeficiency virus [HIV] disease

Billable Code
B20
Billable

Diagnostic Criteria

clinical:
    documentation:
    • • Provider documentation linking HIV to cryptococcal meningitis

    Applicable To

    • • AIDS

    Important Notes

    • • Ensure provider documentation explicitly links HIV to cryptococcal meningitis.
    Ancillary Codes

    Additional codes that may be used with this diagnosis

    R50.9

    Fever, unspecified

    Use for documenting fever associated with cryptococcal meningitis.

    R51.9

    Headache, unspecified

    Use for documenting headache associated with cryptococcal meningitis.

    G93.2

    Benign intracranial hypertension

    Use for documenting elevated intracranial pressure in cryptococcal meningitis.

    Frequently Asked Questions

    How is cryptococcal meningitis coded in ICD-10?

    Cryptococcal meningitis is coded as B45.1 in ICD-10. If linked to HIV, use B20 as well.

    What documentation is needed for cryptococcal meningitis coding?

    Documentation must include positive CSF CrAg test results and any linkage to HIV if applicable.

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