D48.4 — Neoplasm of uncertain behavior of peritoneum
Is D48.4 billable?
Yes — D48.4 is billable for FY2027. D48.4 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. D48.4 may be submitted for encounters from October 1, 2026 through September 30, 2027.
D48.4 at a glance
| Code | D48.4 |
|---|---|
| Description | Neoplasm of uncertain behavior of peritoneum |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does D48.4 group to?
D48.4 sits in MDC 06 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 374Digestive Malignancy with MCCmedical
- 375Digestive Malignancy with CCmedical
- 376Digestive Malignancy without CC/MCCmedical
How is D48.4 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to D48.4. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Mesothelioma › cystic (malignant)
Excludes1 — never code together — inherited from D37-D48
The conditions below can never be reported together with D48.4 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- neoplasms of unspecified behavior (D49.-)
Excludes1 — never code together — inherited from D48
The conditions below can never be reported together with D48.4 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- neurofibromatosis (nonmalignant) (Q85.0-)
How long has D48.4 existed?
D48.4 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.
Which conditions are coded to D48.4?
What other codes are in the D48 family? (8)
- D48.0Neoplasm of uncertain behavior of bone and articular cartilage
- D48.1Neoplasm of uncertain behavior of connective and other soft tissuenot billable
- D48.2Neoplasm of uncertain behavior of peripheral nerves and autonomic nervous system
- D48.3Neoplasm of uncertain behavior of retroperitoneum
- D48.5Neoplasm of uncertain behavior of skin
- D48.6Neoplasm of uncertain behavior of breastnot billable
- D48.7Neoplasm of uncertain behavior of other specified sites
- D48.9Neoplasm of uncertain behavior, unspecified