D21.4 — Benign neoplasm of connective and other soft tissue of abdomen

Billable

Is D21.4 billable?

Yes — D21.4 is billable for FY2027. D21.4 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. D21.4 may be submitted for encounters from October 1, 2026 through September 30, 2027.

D21.4 at a glance

Code	D21.4
Description	Benign neoplasm of connective and other soft tissue of abdomen
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Which MS-DRGs does D21.4 group to?

D21.4 sits in MDC 08 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.

564Other Musculoskeletal System and Connective Tissue Diagnoses with MCCmedical
565Other Musculoskeletal System and Connective Tissue Diagnoses with CCmedical
566Other Musculoskeletal System and Connective Tissue Diagnoses without CC/MCCmedical

How is D21.4 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to D21.4. They show the wording a clinician may have documented, which often differs from the Tabular description.

Tumor › stromal › gastric › benign
Tumor › stromal › gastrointestinal › benign
Tumor › stromal › intestine › benign
Tumor › stromal › stomach › benign

Inclusion terms

Alternative wording in documentation that is classified to D21.4.

Benign stromal tumors of abdomen

Excludes1 — never code together — inherited from D21

The conditions below can never be reported together with D21.4 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

benign neoplasm of articular cartilage (D16.-)
benign neoplasm of cartilage of larynx (D14.1)
benign neoplasm of cartilage of nose (D14.0)
benign neoplasm of connective tissue of breast (D24.-)
benign neoplasm of peripheral nerves and autonomic nervous system (D36.1-)
benign neoplasm of peritoneum (D20.1)
benign neoplasm of retroperitoneum (D20.0)
benign neoplasm of uterine ligament, any (D28.2)
benign neoplasm of vascular tissue (D18.-)
hemangioma (D18.0-)
lipomatous neoplasm (D17.-)
lymphangioma (D18.1)
uterine leiomyoma (D25.-)

How long has D21.4 existed?

D21.4 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 codes are confused with D21.4?

ICD-10-CM declares these codes mutually exclusive with D21.4 — exactly one of each pair can be correct for a given encounter.

vs D13Benign neoplasm of other and ill-defined parts of digestive system