R90.82
Billable

White matter disease, unspecified

Billable / Specific Code

What is White matter disease, unspecified?

ICD-10-CM R90.82 is the diagnosis code for White matter disease, unspecified. This code falls under the section "Abnormal findings on diagnostic imaging and in function studies, without diagnosis" within Chapter 18 — Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for R90.82

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where R90.82 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is R90.82 a billable ICD-10-CM code?

Yes, R90.82 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does R90.82 mean?

R90.82 is the ICD-10-CM diagnosis code for "White matter disease, unspecified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of R90.82?

The parent code of R90.82 is R90.8 ("Other abnormal findings on diagnostic imaging of central nervous system"). R90.82 provides a more specific classification within this category.

What section is R90.82 in?

R90.82 is located in Section R90-R94 — "Abnormal findings on diagnostic imaging and in function studies, without diagnosis" within Chapter 18 of the ICD-10-CM Tabular List.

When should I use R90.82?

Use R90.82 when the patients documented diagnosis matches "White matter disease, unspecified" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for White matter disease, unspecified?

The ICD-10-CM code for White matter disease, unspecified is R90.82.

Can R90.82 be used for primary diagnosis?

Yes, R90.82 can be used as a primary diagnosis code since it is billable and specific.

What chapter is R90.82 in?

R90.82 is in Chapter 18 of the ICD-10-CM Tabular List.

Is R90.82 valid for 2026?

Yes, R90.82 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousR90.81Abnormal echoencephalogramNext →R90.89Other abnormal findings on diagnostic imaging of central nervous system
Code Details
R90.82
White matter disease, unspecified
Billable / Specific Code
18 — Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R90-R94 — Abnormal findings on diagnostic imaging and in function studies, without diagnosis
2026 ICD-10-CM