D49 — Neoplasms of unspecified behavior
Not billable
Is D49 billable?
No — D49 is a non-billable header code. D49 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 14 billable codes beneath D49.
Billable codes under this header
- D49.0Neoplasm of unspecified behavior of digestive system
- D49.1Neoplasm of unspecified behavior of respiratory system
- D49.2Neoplasm of unspecified behavior of bone, soft tissue, and skin
- D49.3Neoplasm of unspecified behavior of breast
- D49.4Neoplasm of unspecified behavior of bladder
- D49.6Neoplasm of unspecified behavior of brain
- D49.7Neoplasm of unspecified behavior of endocrine glands and other parts of nervous system
- D49.9Neoplasm of unspecified behavior of unspecified site
- D49.59Neoplasm of unspecified behavior of other genitourinary organ
- D49.81Neoplasm of unspecified behavior of retina and choroid
- D49.89Neoplasm of unspecified behavior of other specified sites
- D49.511Neoplasm of unspecified behavior of right kidney
- D49.512Neoplasm of unspecified behavior of left kidney
- D49.519Neoplasm of unspecified behavior of unspecified kidney
D49 at a glance
| Code | D49 |
|---|---|
| Description | Neoplasms of unspecified behavior |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes2 — not included here
The conditions below are not part of D49, but a patient may have both at the same time. When documentation supports it, D49 and the excluded code may both be reported.
Includes
Conditions classified to D49.
- 'growth' NOS
- neoplasm NOS
- new growth NOS
- tumor NOS
Note
- Category D49 classifies by site neoplasms of unspecified morphology and behavior. The term 'mass', unless otherwise stated, is not to be regarded as a neoplastic growth.
What codes fall under D49? (10)
- D49.0Neoplasm of unspecified behavior of digestive system
- D49.1Neoplasm of unspecified behavior of respiratory system
- D49.2Neoplasm of unspecified behavior of bone, soft tissue, and skin
- D49.3Neoplasm of unspecified behavior of breast
- D49.4Neoplasm of unspecified behavior of bladder
- D49.5Neoplasm of unspecified behavior of other genitourinary organsnot billable
- D49.6Neoplasm of unspecified behavior of brain
- D49.7Neoplasm of unspecified behavior of endocrine glands and other parts of nervous system
- D49.8Neoplasm of unspecified behavior of other specified sitesnot billable
- D49.9Neoplasm of unspecified behavior of unspecified site
How long has D49 existed?
D49 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.