D42 is the authoritative medical code for Neoplasm of uncertain behavior of meninges. This classification is used in medical billing and clinical recording to specify the clinical criteria for neoplasm of uncertain behavior of meninges (ICD-10-CM D42), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Neoplasm of uncertain behavior of meninges is a non-billable ICD-10-CM category code D42. A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): neoplasms of unspecified behavior D49.-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for D42 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- neoplasms of unspecified behavior D49.-
Frequently Asked Questions (FAQ) & Clinical Guidance
Can D42 be billed directly?
No. D42 (Neoplasm of uncertain behavior of meninges) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
What can't be coded together with D42?
Per Excludes1 instructions, D42 must not be reported with: neoplasms of unspecified behavior (D49.-).
Codes in This Family (3)
Official ICD-10-CM classifications in the same code family as D42, with their registry titles.
- D42.0 — Neoplasm of uncertain behavior of cerebral meninges
- D42.1 — Neoplasm of uncertain behavior of spinal meninges
- D42.9 — Neoplasm of uncertain behavior of meninges, unspecified
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code D37
Neoplasm of uncertain behavior of oral cavity and digestive organs
ICD Code D38
Neoplasm of uncertain behavior of middle ear and respiratory and intrathoracic organs
ICD Code D39
Neoplasm of uncertain behavior of female genital organs
ICD Code D40
Neoplasm of uncertain behavior of male genital organs
ICD Code D41
Neoplasm of uncertain behavior of urinary organs
ICD Code D43
Neoplasm of uncertain behavior of brain and central nervous system
ICD Code D44
Neoplasm of uncertain behavior of endocrine glands
ICD Code D47
Other neoplasms of uncertain behavior of lymphoid, hematopoietic and related tissue