Question 1

Is S31 a billable ICD-10 code?

Accepted Answer

No, S31 is not a billable code. It is a category code that requires additional specificity. You must select a more specific code from the subcategories for billing purposes.

Question 2

What does ICD-10 code S31 mean?

Accepted Answer

ICD-10-CM code S31 represents Open wound of abdomen, lower back, pelvis and external genitals. This code is part of the International Classification of Diseases, 10th Revision, Clinical Modification used for medical coding and billing in the United States.

Question 3

When was ICD-10 code S31 introduced?

Accepted Answer

Code S31 has been part of ICD-10-CM since 2016, when the coding system was mandated for use in the United States. This code was included in the original US implementation.

Question 4

What is the parent category for ICD-10 code S31?

Accepted Answer

The parent category for S31 is section:S30-S39 (Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals (S30-S39)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions are excluded from S31?

Accepted Answer

Code S31 has Type 1 Excludes (mutually exclusive conditions) including: traumatic amputation of part of abdomen, lower back and pelvis (S38.2-, S38.3). These conditions cannot be coded together with S31 as they represent different diagnoses.

Question 6

Does S31 require a 7th character extension?

Accepted Answer

Yes, S31 requires a 7th character to specify the encounter type. Available extensions include: A (initial encounter), D (subsequent encounter), S (sequela). Use "X" as a placeholder to fill empty positions before the 7th character (e.g., S31XXA for initial encounter). The extension indicates whether this is an initial visit, follow-up, or treatment for a late effect.

S312026

Excludes11Not coded together

Excludes210Not included here

Code Also3Consider additional code

Use Additional Code1Add code for detail

Notes2Additional information

Includes6Included conditions

7th Character Extensions3Encounter type specifiers

Related Clinical Codes1Manifestation & etiology relationships