Billable / Specific Code
ICD-10-CM F84.9 is the diagnosis code for Pervasive developmental disorder, unspecified. This code falls under the section "Pervasive and specific developmental disorders" within Chapter 5 — Mental, Behavioral and Neurodevelopmental disorders (F01-F99). 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.
Understanding where F84.9 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, F84.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
F84.9 is the ICD-10-CM diagnosis code for "Pervasive developmental disorder, unspecified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of F84.9 is F84 ("Pervasive developmental disorders"). F84.9 provides a more specific classification within this category.
F84.9 is located in Section F80-F89 — "Pervasive and specific developmental disorders" within Chapter 5 of the ICD-10-CM Tabular List.
Use F84.9 when the patients documented diagnosis matches "Pervasive developmental disorder, unspecified" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Pervasive developmental disorder, unspecified is F84.9.
Yes, F84.9 can be used as a primary diagnosis code since it is billable and specific.
F84.9 is in Chapter 5 of the ICD-10-CM Tabular List.
Yes, F84.9 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.