S31.21XD vs S38.3

S31.21XD (Laceration without foreign body of penis, subsequent encounter) compared with S38.3 (Transection (partial) of abdomen), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.

Relationship

Conflict

Excludes1 conflict

S31.21XD

Laceration without foreign body of penis, subsequent encounter

↔

S38.3

Transection (partial) of abdomen

Not coded here — these two are mutually exclusive.

“traumatic amputation of part of abdomen, lower back and pelvis (S38.2-, S38.3)”

An Excludes1 note means the two conditions cannot occur together, so the pair should not be reported for the same encounter. The sole exception is when the conditions are documented as unrelated to each other.

Source: CMS ICD-10-CM tabular instructional notes; ICD-10-CM Official Guidelines, Section I.A.12.a

Can these codes be reported together?

No — do not report together. S31.21XD carries an Excludes1 note covering S38.3: “traumatic amputation of part of abdomen, lower back and pelvis (S38.2-, S38.3)”

Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Side by side

	S31.21XDLaceration without foreign body of penis, subsequent encounter	S38.3Transection (partial) of abdomen
Billing status	Billable	Non-billable header
Classification	S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)	S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)
Definition	Laceration without foreign body of penis, subsequent encounter is a billable ICD-10-CM diagnosis code (S31.21D).	Transection (partial) of abdomen is a non-billable ICD-10-CM category code (S38.3).
7th character	The appropriate 7th character is to be added to each code from category S31	The appropriate 7th character is to be added to each code from category S38
Includes	injuries to the abdominal wall injuries to the anus injuries to the buttock injuries to the external genitalia	injuries to the abdominal wall injuries to the anus injuries to the buttock injuries to the external genitalia

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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources