S39.94XA ICD-10-CM Code: Unspecified injury of external genitals, initial encounter
S39.94XA is the authoritative medical code for Unspecified injury of external genitals, initial encounter. This classification is used in medical billing and clinical recording to specify the clinical criteria for unspecified injury of external genitals, initial encounter (ICD-10-CM S39.94XA), ensuring healthcare documentation aligns with current federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Inpatient Payment Groups (MS-DRG)
MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43.0 (FY2026), Appendix B.
- MS-DRG 913 — TRAUMATIC INJURY WITH MCC (MDC 21)
- MS-DRG 914 — TRAUMATIC INJURY WITHOUT MCC (MDC 21)
- MS-DRG 963 — OTHER MULTIPLE SIGNIFICANT TRAUMA WITH MCC (MDC 24)
- MS-DRG 964 — OTHER MULTIPLE SIGNIFICANT TRAUMA WITH CC (MDC 24)
- MS-DRG 965 — OTHER MULTIPLE SIGNIFICANT TRAUMA WITHOUT CC/MCC (MDC 24)
A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.
Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.
Official Registry Overview & Definition
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for S39.94XA in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- injuries to the abdominal wall
- injuries to the anus
- injuries to the buttock
- injuries to the external genitalia
- injuries to the flank
- injuries to the groin
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- sprain of joints and ligaments of lumbar spine and pelvis (S33.-)
- burns and corrosions (T20-T32)
- effects of foreign body in anus and rectum (T18.5)
- effects of foreign body in genitourinary tract (T19.-)
- effects of foreign body in stomach, small intestine and colon (T18.2-T18.4)
- frostbite (T33-T34)
- insect bite or sting, venomous (T63.4)
Code Also
Additional codes that may be required to fully describe the encounter.
- any associated open wound (S31.-)
Frequently Asked Questions (FAQ) & Clinical Guidance
Does S39.94XA require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category S39.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to S39.94XA in its code family, with their registry titles.
- S39.92 — Unspecified injury of lower back
- S39.92XA — Unspecified injury of lower back, initial encounter
- S39.92XD — Unspecified injury of lower back, subsequent encounter
- S39.92XS — Unspecified injury of lower back, sequela
- S39.93 — Unspecified injury of pelvis
- S39.93XA — Unspecified injury of pelvis, initial encounter
- S39.93XD — Unspecified injury of pelvis, subsequent encounter
- S39.93XS — Unspecified injury of pelvis, sequela
- S39.94 — Unspecified injury of external genitals
- S39.94XD — Unspecified injury of external genitals, subsequent encounter