S64.49 ICD-10-CM Code: Injury of digital nerve of other finger
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for S64.49 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.
- burns and corrosions (T20-T32) Compare S64.49 vs T20 →
- frostbite (T33-T34) Compare S64.49 vs T33 →
- insect bite or sting, venomous (T63.4) Compare S64.49 vs T63.4 →
Code Also
Additional codes that may be required to fully describe the encounter.
- any associated open wound (S61.-)
Frequently Compared Codes
The official Excludes notes on S64.49 name these codes. Each comparison page covers when the two can — or must not — be reported together.
Change history
No changes recorded for this code — unchanged since the FY2016 baseline of the change ledger.
Verify Before Coding
- Not billable as written — a more specific code is required: S64.490A, S64.490D, S64.490S, S64.491A, S64.491D.
- Requires a 7th character. "The appropriate 7th character is to be added to each code from category S64" Options: S64.490A, S64.490D, S64.490S, S64.491A, S64.491D, S64.491S
From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim.
Relationships & Classification
Official ICD-10-CM tabular notes on other codes that name S64.49 or its code family.
1 Excludes2 notes: S54 (via S64.-).
Contextual Map
Every relationship of S64.49 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
Hierarchy
- S00-T88 — Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) (S00-T88) [Hierarchy]
Referenced by Excludes2 notes
- S54 — Injury of nerves at forearm level [Excludes2](via S64.-): “injury of nerves at wrist and hand level (S64.-)” · check together
Nearest codes (40)
- S64 — Injury of nerves at wrist and hand level [Sibling]
- S64.22XD — Injury of radial nerve at wrist and hand level of left arm, subsequent encounter [Sibling]
- S64.22XS — Injury of radial nerve at wrist and hand level of left arm, sequela [Sibling]
- S64.3 — Injury of digital nerve of thumb [Sibling]
- S64.30 — Injury of digital nerve of unspecified thumb [Sibling]
- S64.30XA — Injury of digital nerve of unspecified thumb, initial encounter [Sibling]
- S64.30XD — Injury of digital nerve of unspecified thumb, subsequent encounter [Sibling]
- S64.30XS — Injury of digital nerve of unspecified thumb, sequela [Sibling]
- and 32 more
Frequently Asked Questions (FAQ) & Clinical Guidance
Can S64.49 be billed directly?
No. S64.49 (Injury of digital nerve of other finger) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Does S64.49 require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category S64.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to S64.49 in its code family, with their registry titles.
- S64.4 — Injury of digital nerve of other and unspecified finger
- S64.40 — Injury of digital nerve of unspecified finger
- S64.40XA — Injury of digital nerve of unspecified finger, initial encounter
- S64.40XD — Injury of digital nerve of unspecified finger, subsequent encounter
- S64.40XS — Injury of digital nerve of unspecified finger, sequela
- S64.490 — Injury of digital nerve of right index finger
- S64.490A — Injury of digital nerve of right index finger, initial encounter
- S64.490D — Injury of digital nerve of right index finger, subsequent encounter
- S64.490S — Injury of digital nerve of right index finger, sequela
- S64.491 — Injury of digital nerve of left index finger