S86.01 is the authoritative medical code for Strain of Achilles tendon. This classification is used in medical billing and clinical recording to specify the clinical criteria for strain of achilles tendon (ICD-10-CM S86.01), 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
Strain of Achilles tendon is a non-billable ICD-10-CM category code S86.01. A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): injury of muscle, fascia and tendon at ankle S96.-; injury of patellar ligament tendon S76.1-; sprain of joints and ligaments of knee S83.-; 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 S86.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for S86.01 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 muscle, fascia and tendon at ankle S96.-
- injury of patellar ligament tendon S76.1-
- sprain of joints and ligaments of knee S83.-
- 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 S86.01 be billed directly?
No. S86.01 (Strain of Achilles tendon) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Does S86.01 require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category S86.
Can S86.01 be reported alongside related conditions?
Per Excludes2 instructions, S86.01 and the following may both be reported when both are present: injury of muscle, fascia and tendon at ankle (S96.-); injury of patellar ligament (tendon) (S76.1-); sprain of joints and ligaments of knee (S83.-); burns and corrosions (T20-T32).
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as S86.01, with their registry titles.
- S86 — Injury of muscle, fascia and tendon at lower leg level
- S86.0 — Injury of Achilles tendon
- S86.00 — Unspecified injury of Achilles tendon
- S86.001 — Unspecified injury of right Achilles tendon
- S86.001A — Unspecified injury of right Achilles tendon, initial encounter
- S86.001D — Unspecified injury of right Achilles tendon, subsequent encounter
- S86.001S — Unspecified injury of right Achilles tendon, sequela
- S86.002 — Unspecified injury of left Achilles tendon
- S86.002A — Unspecified injury of left Achilles tendon, initial encounter
- S86.002D — Unspecified injury of left Achilles tendon, subsequent encounter
- S86.002S — Unspecified injury of left Achilles tendon, sequela
- S86.009 — Unspecified injury of unspecified Achilles tendon
- S86.009A — Unspecified injury of unspecified Achilles tendon, initial encounter
- S86.009D — Unspecified injury of unspecified Achilles tendon, subsequent encounter
- S86.009S — Unspecified injury of unspecified Achilles tendon, sequela
- S86.011 — Strain of right Achilles tendon
- S86.011A — Strain of right Achilles tendon, initial encounter
- S86.011D — Strain of right Achilles tendon, subsequent encounter
- S86.011S — Strain of right Achilles tendon, sequela
- S86.012 — Strain of left Achilles tendon
- S86.012A — Strain of left Achilles tendon, initial encounter
- S86.012D — Strain of left Achilles tendon, subsequent encounter
- S86.012S — Strain of left Achilles tendon, sequela
- S86.019 — Strain of unspecified Achilles tendon
- S86.019A — Strain of unspecified Achilles tendon, initial encounter
- S86.019D — Strain of unspecified Achilles tendon, subsequent encounter
- S86.019S — Strain of unspecified Achilles tendon, sequela
- S86.02 — Laceration of Achilles tendon
- S86.021 — Laceration of right Achilles tendon
- S86.021A — Laceration of right Achilles tendon, initial encounter
- S86.021D — Laceration of right Achilles tendon, subsequent encounter
- S86.021S — Laceration of right Achilles tendon, sequela
- S86.022 — Laceration of left Achilles tendon
- S86.022A — Laceration of left Achilles tendon, initial encounter
- S86.022D — Laceration of left Achilles tendon, subsequent encounter
- S86.022S — Laceration of left Achilles tendon, sequela
- S86.029 — Laceration of unspecified Achilles tendon
- S86.029A — Laceration of unspecified Achilles tendon, initial encounter
- S86.029D — Laceration of unspecified Achilles tendon, subsequent encounter
- S86.029S — Laceration of unspecified Achilles tendon, sequela
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 S89.01
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