S61.311A is the authoritative medical code for Laceration without foreign body of left index finger with damage to nail, initial encounter. This classification is used in medical billing and clinical recording to specify the clinical criteria for laceration without foreign body of left index finger with damage to nail, initial encounter (ICD-10-CM S61.311A), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Laceration without foreign body of left index finger with damage to nail, initial encounter is a billable ICD-10-CM diagnosis code S61.311A. Excludes1 (not coded here): open fracture of wrist, hand and finger (S62.- with 7th character B); traumatic amputation of wrist and hand S68.-. Excludes2 (not included here): burns and corrosions T20-T32; frostbite T33-T34; insect bite or sting, venomous T63.4. Code also: any associated wound infection. 7th character: The appropriate 7th character is to be added to each code from category S61.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for S61.311A in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- open fracture of wrist, hand and finger (S62.- with 7th character B)
- traumatic amputation of wrist and hand S68.-
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- burns and corrosions T20-T32
- 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 wound infection
Frequently Asked Questions (FAQ) & Clinical Guidance
Does S61.311A require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category S61.
What can't be coded together with S61.311A?
Per Excludes1 instructions, S61.311A must not be reported with: open fracture of wrist, hand and finger (S62.- with 7th character B); traumatic amputation of wrist and hand (S68.-).
Can S61.311A be reported alongside related conditions?
Per Excludes2 instructions, S61.311A and the following may both be reported when both are present: burns and corrosions (T20-T32); frostbite (T33-T34); insect bite or sting, venomous (T63.4).
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as S61.311A, with their registry titles.
- S61 — Open wound of wrist, hand and fingers
- S61.0 — Open wound of thumb without damage to nail
- S61.00 — Unspecified open wound of thumb without damage to nail
- S61.001 — Unspecified open wound of right thumb without damage to nail
- S61.001A — Unspecified open wound of right thumb without damage to nail, initial encounter
- S61.001D — Unspecified open wound of right thumb without damage to nail, subsequent encounter
- S61.001S — Unspecified open wound of right thumb without damage to nail, sequela
- S61.002 — Unspecified open wound of left thumb without damage to nail
- S61.002A — Unspecified open wound of left thumb without damage to nail, initial encounter
- S61.002D — Unspecified open wound of left thumb without damage to nail, subsequent encounter
- S61.002S — Unspecified open wound of left thumb without damage to nail, sequela
- S61.009 — Unspecified open wound of unspecified thumb without damage to nail
- S61.009A — Unspecified open wound of unspecified thumb without damage to nail, initial encounter
- S61.009D — Unspecified open wound of unspecified thumb without damage to nail, subsequent encounter
- S61.009S — Unspecified open wound of unspecified thumb without damage to nail, sequela
- S61.01 — Laceration without foreign body of thumb without damage to nail
- S61.011 — Laceration without foreign body of right thumb without damage to nail
- S61.011A — Laceration without foreign body of right thumb without damage to nail, initial encounter
- S61.011D — Laceration without foreign body of right thumb without damage to nail, subsequent encounter
- S61.011S — Laceration without foreign body of right thumb without damage to nail, sequela
- S61.012 — Laceration without foreign body of left thumb without damage to nail
- S61.012A — Laceration without foreign body of left thumb without damage to nail, initial encounter
- S61.012D — Laceration without foreign body of left thumb without damage to nail, subsequent encounter
- S61.012S — Laceration without foreign body of left thumb without damage to nail, sequela
- S61.019 — Laceration without foreign body of unspecified thumb without damage to nail
- S61.019A — Laceration without foreign body of unspecified thumb without damage to nail, initial encounter
- S61.019D — Laceration without foreign body of unspecified thumb without damage to nail, subsequent encounter
- S61.019S — Laceration without foreign body of unspecified thumb without damage to nail, sequela
- S61.02 — Laceration with foreign body of thumb without damage to nail
- S61.021 — Laceration with foreign body of right thumb without damage to nail
- S61.021A — Laceration with foreign body of right thumb without damage to nail, initial encounter
- S61.021D — Laceration with foreign body of right thumb without damage to nail, subsequent encounter
- S61.021S — Laceration with foreign body of right thumb without damage to nail, sequela
- S61.022 — Laceration with foreign body of left thumb without damage to nail
- S61.022A — Laceration with foreign body of left thumb without damage to nail, initial encounter
- S61.022D — Laceration with foreign body of left thumb without damage to nail, subsequent encounter
- S61.022S — Laceration with foreign body of left thumb without damage to nail, sequela
- S61.029 — Laceration with foreign body of unspecified thumb without damage to nail
- S61.029A — Laceration with foreign body of unspecified thumb without damage to nail, initial encounter
- S61.029D — Laceration with foreign body of unspecified thumb without damage to nail, subsequent encounter
Indexed Clinical Terms (1)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Laceration, finger (s), index, left, with, damage to nail
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:
ICD Code S56.311A
Strain of extensor or abductor muscles, fascia and tendons of right thumb at forearm level, initial encounter
ICD Code S62.311A
Displaced fracture of base of second metacarpal bone, left hand, initial encounter for closed fracture
ICD Code S63.311A
Traumatic rupture of collateral ligament of right wrist, initial encounter
ICD Code S66.311A
Strain of extensor muscle, fascia and tendon of left index finger at wrist and hand level, initial encounter