Is ICD-10-CM code C7B billable?

No, C7B (Secondary neuroendocrine tumors) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code C7B belong to?

C7B belongs to Chapter 2 of the ICD-10-CM tabular list: C00–D49 (Neoplasms).

C7B

Non-Billable

ChapterC00–D49

Rankcategory

Description

Secondary neuroendocrine tumors

About ICD-10-CM code C7B

C7B is the ICD-10-CM diagnosis code for Secondary neuroendocrine tumors. It sits in C00-D49 Neoplasms. C7B is not billable on its own, coders must choose one of its more specific child codes instead.

Use a more specific code (2 billable, 1 non-billable)

C7B.0Secondary carcinoid tumorshas subcodes C7B.1Secondary Merkel cell carcinoma C7B.8Other secondary neuroendocrine tumors

Metadata & Insights

•Non-billable category (requires more specific sub-code).
•Chapter 2: Neoplasms (C00-D49).

Instructional Notes

Use Additional Code

code to identify any functional activity

Clinical Hierarchy

BillableHas subcodes

CH2Neoplasms (C00-D49)

C7BSecondary neuroendocrine tumorsNot billable

C7B.0Secondary carcinoid tumorsSubcodes

C7B.1Secondary Merkel cell carcinomaBillable

C7B.8Other secondary neuroendocrine tumorsBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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