S85.4 is the authoritative medical code for Injury of lesser saphenous vein at lower leg level. This classification is used in medical billing and clinical recording to specify the clinical criteria for injury of lesser saphenous vein at lower leg level (ICD-10-CM S85.4), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Injury of lesser saphenous vein at lower leg level is a non-billable ICD-10-CM category code S85.4. A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): injury of blood vessels at ankle and foot level S95.-; burns and corrosions T20-T32; frostbite T33-T34; injuries of ankle and foot, except fracture of ankle and malleolus S90-S99; insect bite or sting, venomous T63.4. Code also: any associated open wound S81.-. 7th character: The appropriate 7th character is to be added to each code from category S85.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for S85.4 in the official ICD-10-CM tabular list.
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- injury of blood vessels at ankle and foot level S95.-
- burns and corrosions T20-T32
- frostbite T33-T34
- injuries of ankle and foot, except fracture of ankle and malleolus S90-S99
- insect bite or sting, venomous T63.4
Code Also
Additional codes that may be required to fully describe the encounter.
- any associated open wound S81.-
Frequently Asked Questions (FAQ) & Clinical Guidance
Can S85.4 be billed directly?
No. S85.4 (Injury of lesser saphenous vein at lower leg level) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Does S85.4 require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category S85.
Can S85.4 be reported alongside related conditions?
Per Excludes2 instructions, S85.4 and the following may both be reported when both are present: injury of blood vessels at ankle and foot level (S95.-); burns and corrosions (T20-T32); frostbite (T33-T34); injuries of ankle and foot, except fracture of ankle and malleolus (S90-S99).
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as S85.4, with their registry titles.
- S85 — Injury of blood vessels at lower leg level
- S85.0 — Injury of popliteal artery
- S85.00 — Unspecified injury of popliteal artery
- S85.001 — Unspecified injury of popliteal artery, right leg
- S85.001A — Unspecified injury of popliteal artery, right leg, initial encounter
- S85.001D — Unspecified injury of popliteal artery, right leg, subsequent encounter
- S85.001S — Unspecified injury of popliteal artery, right leg, sequela
- S85.002 — Unspecified injury of popliteal artery, left leg
- S85.002A — Unspecified injury of popliteal artery, left leg, initial encounter
- S85.002D — Unspecified injury of popliteal artery, left leg, subsequent encounter
- S85.002S — Unspecified injury of popliteal artery, left leg, sequela
- S85.009 — Unspecified injury of popliteal artery, unspecified leg
- S85.009A — Unspecified injury of popliteal artery, unspecified leg, initial encounter
- S85.009D — Unspecified injury of popliteal artery, unspecified leg, subsequent encounter
- S85.009S — Unspecified injury of popliteal artery, unspecified leg, sequela
- S85.01 — Laceration of popliteal artery
- S85.011 — Laceration of popliteal artery, right leg
- S85.011A — Laceration of popliteal artery, right leg, initial encounter
- S85.011D — Laceration of popliteal artery, right leg, subsequent encounter
- S85.011S — Laceration of popliteal artery, right leg, sequela
- S85.012 — Laceration of popliteal artery, left leg
- S85.012A — Laceration of popliteal artery, left leg, initial encounter
- S85.012D — Laceration of popliteal artery, left leg, subsequent encounter
- S85.012S — Laceration of popliteal artery, left leg, sequela
- S85.019 — Laceration of popliteal artery, unspecified leg
- S85.019A — Laceration of popliteal artery, unspecified leg, initial encounter
- S85.019D — Laceration of popliteal artery, unspecified leg, subsequent encounter
- S85.019S — Laceration of popliteal artery, unspecified leg, sequela
- S85.09 — Other specified injury of popliteal artery
- S85.091 — Other specified injury of popliteal artery, right leg
- S85.091A — Other specified injury of popliteal artery, right leg, initial encounter
- S85.091D — Other specified injury of popliteal artery, right leg, subsequent encounter
- S85.091S — Other specified injury of popliteal artery, right leg, sequela
- S85.092 — Other specified injury of popliteal artery, left leg
- S85.092A — Other specified injury of popliteal artery, left leg, initial encounter
- S85.092D — Other specified injury of popliteal artery, left leg, subsequent encounter
- S85.092S — Other specified injury of popliteal artery, left leg, sequela
- S85.099 — Other specified injury of popliteal artery, unspecified leg
- S85.099A — Other specified injury of popliteal artery, unspecified leg, initial encounter
- S85.099D — Other specified injury of popliteal artery, unspecified leg, subsequent encounter
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: