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Home/Diagnosis/ICD-10 Coding for Schwannoma

ICD-10 Coding for Schwannoma

D33.3
D36.1x
Q85.03

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

Also Known as:
Neurilemmoma
Peripheral nerve sheath tumor
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Key Information: ICD-10 Coding for Schwannoma

Essential facts and insights about ICD-10 Coding for Schwannoma

Use ICD-10 code D33.3 for benign neoplasm of cranial nerves, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Benign neoplasm of cranial nerves

Billable Code
D33.3
Billable

Diagnostic Criteria

clinical:
  • • MRI shows cerebellopontine angle mass with internal auditory canal extension
documentation:
  • • Pathology confirms Antoni A/B patterns with S100 positivity

Applicable To

  • • Vestibular schwannoma
  • • Trigeminal schwannoma

Important Notes

  • • Ensure documentation specifies the nerve involved and confirms benign status.

Benign neoplasm of peripheral nerves

Non-Billable
D36.1x
Non-Billable

Diagnostic Criteria

clinical:
  • • MRI findings of peripheral nerve mass
documentation:
  • • Histopathology confirming Antoni A/B patterns
  • • S100 positivity on immunohistochemistry

Applicable To

  • • Schwannoma of sciatic nerve
  • • Schwannoma of brachial plexus

Important Notes

  • • Document the specific nerve involved and confirm benign nature.

Schwannomatosis

Billable Code
Q85.03
Billable

Diagnostic Criteria

clinical:
  • • Genetic testing confirming SMARCB1/LZTR1 mutation
  • • Presence of multiple non-intradermal schwannomas

Applicable To

  • • Multiple schwannomas

Important Notes

  • • Ensure genetic confirmation and documentation of multiple schwannomas.
Ancillary Codes

Additional codes that may be used with this diagnosis

G96.0

Cerebrospinal fluid leak

Use if there is a post-resection complication.

R26.81

Unsteadiness on feet

Use for vestibular symptoms.

Frequently Asked Questions

What is the ICD-10 code for vestibular schwannoma?

The ICD-10 code for vestibular schwannoma is D33.3, which covers benign neoplasms of cranial nerves.

How do you code a peripheral nerve schwannoma?

Peripheral nerve schwannomas are coded under D36.1x, which includes benign neoplasms of peripheral nerves.

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