S13.5A is the authoritative medical code for Sprain of thyroid region, initial encounter. This classification is used in medical billing and clinical recording to specify the clinical criteria for sprain of thyroid region, initial encounter (ICD-10-CM S13.5A), 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
Sprain of thyroid region, initial encounter is a billable ICD-10-CM diagnosis code S13.5A. Includes: avulsion of joint or ligament at neck level; laceration of cartilage, joint or ligament at neck level; sprain of cartilage, joint or ligament at neck level; traumatic hemarthrosis of joint or ligament at neck level; traumatic rupture of joint or ligament at neck level; traumatic subluxation of joint or ligament at neck level; traumatic tear of joint or ligament at neck level; injuries of nape; injuries of supraclavicular region; injuries of throat. Inclusion terms: Sprain of cricoarytenoid joint ligament; Sprain of cricothyroid joint ligament; Sprain of thyroid cartilage. Excludes2 (not included here): strain of muscle or tendon at neck level S16.1; burns and corrosions T20-T32; effects of foreign body in esophagus T18.1; effects of foreign body in larynx T17.3; effects of foreign body in pharynx T17.2; effects of foreign body in trachea T17.4; frostbite T33-T34; insect bite or sting, venomous T63.4. Code also: any associated open wound. 7th character: The appropriate 7th character is to be added to each code from category S13.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for S13.5A in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- avulsion of joint or ligament at neck level
- laceration of cartilage, joint or ligament at neck level
- sprain of cartilage, joint or ligament at neck level
- traumatic hemarthrosis of joint or ligament at neck level
- traumatic rupture of joint or ligament at neck level
- traumatic subluxation of joint or ligament at neck level
- traumatic tear of joint or ligament at neck level
- injuries of nape
- injuries of supraclavicular region
- injuries of throat
Inclusion Terms
Alternative terms the tabular list files under this code.
- Sprain of cricoarytenoid joint ligament
- Sprain of cricothyroid joint ligament
- Sprain of thyroid cartilage
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- strain of muscle or tendon at neck level S16.1
- burns and corrosions T20-T32
- effects of foreign body in esophagus T18.1
- effects of foreign body in larynx T17.3
- effects of foreign body in pharynx T17.2
- effects of foreign body in trachea T17.4
- 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
Frequently Asked Questions (FAQ) & Clinical Guidance
Does S13.5A require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category S13.
Can S13.5A be reported alongside related conditions?
Per Excludes2 instructions, S13.5A and the following may both be reported when both are present: strain of muscle or tendon at neck level (S16.1); burns and corrosions (T20-T32); effects of foreign body in esophagus (T18.1); effects of foreign body in larynx (T17.3).
What conditions are included under S13.5A?
Sprain of thyroid region, initial encounter includes: Sprain of cricoarytenoid (joint) (ligament); Sprain of cricothyroid (joint) (ligament); Sprain of thyroid cartilage.
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as S13.5A, with their registry titles.
- S13 — Dislocation and sprain of joints and ligaments at neck level
- S13.0 — Traumatic rupture of cervical intervertebral disc
- S13.0A — Traumatic rupture of cervical intervertebral disc, initial encounter
- S13.0D — Traumatic rupture of cervical intervertebral disc, subsequent encounter
- S13.0S — Traumatic rupture of cervical intervertebral disc, sequela
- S13.0XXA — Traumatic rupture of cervical intervertebral disc, initial encounter
- S13.0XXD — Traumatic rupture of cervical intervertebral disc, subsequent encounter
- S13.0XXS — Traumatic rupture of cervical intervertebral disc, sequela
- S13.1 — Subluxation and dislocation of cervical vertebrae
- S13.10 — Subluxation and dislocation of unspecified cervical vertebrae
- S13.100 — Subluxation of unspecified cervical vertebrae
- S13.100A — Subluxation of unspecified cervical vertebrae, initial encounter
- S13.100D — Subluxation of unspecified cervical vertebrae, subsequent encounter
- S13.100S — Subluxation of unspecified cervical vertebrae, sequela
- S13.101 — Dislocation of unspecified cervical vertebrae
- S13.101A — Dislocation of unspecified cervical vertebrae, initial encounter
- S13.101D — Dislocation of unspecified cervical vertebrae, subsequent encounter
- S13.101S — Dislocation of unspecified cervical vertebrae, sequela
- S13.11 — Subluxation and dislocation of C0/C1 cervical vertebrae
- S13.110 — Subluxation of C0/C1 cervical vertebrae
- S13.110A — Subluxation of C0/C1 cervical vertebrae, initial encounter
- S13.110D — Subluxation of C0/C1 cervical vertebrae, subsequent encounter
- S13.110S — Subluxation of C0/C1 cervical vertebrae, sequela
- S13.111 — Dislocation of C0/C1 cervical vertebrae
- S13.111A — Dislocation of C0/C1 cervical vertebrae, initial encounter
- S13.111D — Dislocation of C0/C1 cervical vertebrae, subsequent encounter
- S13.111S — Dislocation of C0/C1 cervical vertebrae, sequela
- S13.12 — Subluxation and dislocation of C1/C2 cervical vertebrae
- S13.120 — Subluxation of C1/C2 cervical vertebrae
- S13.120A — Subluxation of C1/C2 cervical vertebrae, initial encounter
- S13.120D — Subluxation of C1/C2 cervical vertebrae, subsequent encounter
- S13.120S — Subluxation of C1/C2 cervical vertebrae, sequela
- S13.121 — Dislocation of C1/C2 cervical vertebrae
- S13.121A — Dislocation of C1/C2 cervical vertebrae, initial encounter
- S13.121D — Dislocation of C1/C2 cervical vertebrae, subsequent encounter
- S13.121S — Dislocation of C1/C2 cervical vertebrae, sequela
- S13.13 — Subluxation and dislocation of C2/C3 cervical vertebrae
- S13.130 — Subluxation of C2/C3 cervical vertebrae
- S13.130A — Subluxation of C2/C3 cervical vertebrae, initial encounter
- S13.130D — Subluxation of C2/C3 cervical vertebrae, 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: