Skin Tears: ICD-10 Codes, STAR & ISTAP Classification & Evidence-Based Prevention

ICD-10 Codes for Skin Tears: Site-Based Coding Reference

Skin tears do not have a single dedicated ICD-10 code. They are documented using traumatic wound codes by anatomical site, with the choice of superficial injury (Sxx.0–Sxx.9) or open wound codes (Sxx.x1) depending on whether tissue loss has occurred.

Coding note: The 7th character is mandatory — A = initial encounter (active treatment), D = subsequent encounter (routine wound care), S = sequela. Document laterality (1=right, 2=left, 9=unspecified) where required by the specific code.

What Is a Skin Tear? Definition and Pathophysiology

A skin tear is a traumatic wound caused by mechanical forces — friction, shear, blunt trauma, or a combination — resulting in the separation of the epidermis from the dermis (partial-thickness) or both from underlying tissue (full-thickness in severe cases). They are distinct from pressure injuries, venous leg ulcers, or diabetic foot ulcers, as they result from acute mechanical trauma rather than chronic disease processes.

In the elderly, age-related skin changes — reduced dermal collagen, flattening of the dermo-epidermal junction (loss of rete ridges), decreased subcutaneous fat, reduced sebaceous gland activity, and increased skin fragility — dramatically lower the threshold for mechanical skin disruption. Even routine activities such as removing adhesive dressings, bumping against furniture, or incorrect repositioning technique can cause significant skin tears.

ISTAP Classification System for Skin Tears (2018)

The International Skin Tear Advisory Panel (ISTAP) Classification, validated across 44 countries (LeBlanc et al., 2020), is the globally recommended standard for classifying skin tears in clinical practice and research.

STAR Classification for Skin Tears

The Skin Tear Audit Research (STAR) Classification System, developed by Carville et al. in Australia, adds an assessment of periwound skin condition to flap viability, providing additional prognostic information.

Prevalence: How Common Are Skin Tears?

Skin tears are among the most prevalent wounds in acute and aged care settings, yet they remain significantly under-reported and under-researched compared with pressure injuries and diabetic foot ulcers. LeBlanc and Baranoski (2011) estimated 1.5 million skin tears occur annually in the United States alone, predominantly in community-dwelling and institutionalised elderly individuals. Prevalence rates of 14–24% have been reported in residential aged care facilities. In some acute hospital settings, incident skin tear rates exceed those of hospital-acquired pressure injuries.

In Singapore, skin tears are a recognised wound category in community hospitals including TTSH (Tan Tock Seng Hospital), CGH (Changi General Hospital), and nursing home facilities managed under the Agency for Integrated Care (AIC) framework. Falls prevention programmes at these facilities address skin tear prevention as a component of comprehensive frailty management.

Risk Factors for Skin Tears: Who Is Most at Risk?

Evidence-Based Prevention of Skin Tears

Skin Moisturisation: The Most Important Prevention Intervention

Twice-daily application of a pH-appropriate emollient (pH 4.5–5.5) to high-risk skin significantly reduces skin tear incidence. Multiple studies support moisturisation as the single most effective preventive strategy. Products with ceramide, glycerol, or urea content are preferred for elderly skin. Moisturisation should be applied after bathing while the skin is slightly damp to optimise penetration. In Singapore's humid climate, lightweight emulsions or lotions are generally better tolerated than heavy ointments.

Protective Measures

• Protective sleeves and clothing: Long-sleeved soft garments or purpose-made tubular sleeve protectors (e.g. Tubifast, HELIVOIE protectors) on the upper and lower limbs reduce friction-related trauma.
• Environmental modifications: Padding of bed rails, wheelchair frames, and sharp furniture edges; non-slip mats and grab rails to reduce falls.
• Safe dressing removal technique: Always use low-trauma removal technique — stretch the skin parallel to the wound rather than pulling the dressing perpendicular; use silicone adhesive remover sprays where available. Silicone-based tapes and borders (Mepore, Mepilex Border) cause significantly less trauma on removal than acrylate-adhesive products.
• Safe patient handling: Use slide sheets, transfer belts, and adequate staffing for repositioning; avoid gripping the limbs directly.

Management of Skin Tears: Step-by-Step Approach

Step 1: Assess and Classify

Stop bleeding with gentle pressure. Assess the skin flap — is it viable? Can it be repositioned? Classify using ISTAP or STAR systems. Document size, depth, STAR/ISTAP type, periwound condition, and associated haematoma.

Step 2: Cleanse

Irrigate gently with normal saline or potable water. Avoid hydrogen peroxide or undiluted antiseptics which are cytotoxic to fragile elderly skin. PHMB-based wound cleansers (Prontosan) may be used where bacterial colonisation is a concern.

Step 3: Realign the Flap (where viable)

Using a moistened gloved finger or a damp cotton tip applicator, gently reposition the skin flap to cover as much of the wound bed as possible. Use skin closure strips (Steri-Strips) sparingly to approximate wound edges in Type 1 tears — place parallel to the wound edge, not across it, to avoid ischaemia.

Step 4: Apply Non-Adherent Dressing

• Mepitel One (silicone mesh): Primary dressing of choice; conforms to wound contours, allows moisture vapour transmission, can remain in place 7–10 days, causes minimal trauma on removal. Mark with an arrow on the dressing to indicate the direction of removal (in the direction of the flap).
• Mepitel (two-sided silicone mesh): For deeper or more exudative skin tears.
• Petrolatum gauze (Jelonet): Acceptable alternative in resource-limited settings; requires more frequent changes.
• Secondary dressing: Soft foam dressing (Mepilex Border Lite, Biatain Silicone) secured gently to absorb exudate and provide cushioning.

Step 5: Dressings to Avoid in Skin Tears

Skin Tears in Singapore: Community Hospital and Nursing Home Context

Singapore's rapidly ageing population — projected to reach 25% of the population aged over 65 by 2030 — makes skin tear prevention and management a growing clinical priority. Community hospitals including TTSH Community Hospital, CGH Community Health, and the networks managed by AIC (Agency for Integrated Care) bear the front-line burden of skin tear management. Singapore's falls prevention programmes, embedded across acute and long-term care facilities under MOH Singapore's SAFE (Safety, Accountability, Functionality, and Environment) framework, incorporate skin tear risk assessment as a component of comprehensive fall-related injury prevention. Nursing homes under Ministry of Health regulatory oversight are expected to document skin tear prevalence as part of quality indicators.

Frequently Asked Questions: Skin Tears

Should I use a compression bandage on a skin tear on the lower leg?

Gentle, graduated compression may be appropriate if venous insufficiency is a contributing factor to the fragile skin, but compression must only be applied after adequate haemostasis and appropriate primary dressing application. Inappropriate compression over a skin tear can compromise flap viability. In oedematous legs, the skin tear should be assessed for wound infection, and a wound care plan discussed with the treating clinician before compression therapy is initiated.

Can a skin tear become infected?

Yes — skin tears are open wounds and are susceptible to infection, particularly in elderly patients with reduced immune function, anticoagulant use, or diabetes. Warning signs include increasing erythema beyond the wound margins, purulent exudate, malodour, warmth, and pain. Apply NERDS criteria to assess for superficial critical colonisation. Antimicrobial dressings (Mepilex Ag, Medihoney) may be appropriate if infection signs are present. Escalate to systemic antibiotics and medical review if cellulitis develops.

How long does a skin tear take to heal?

Healing time depends on ISTAP/STAR classification, patient age, comorbidities, nutritional status, and dressing choice. ISTAP Type 1 tears in relatively well elderly patients typically heal within 7–21 days with appropriate management. Type 2 and Type 3 tears may take 3–6 weeks or longer. A wound that fails to reduce in size by 20–30% after two weeks should be reassessed for infection, inadequate nutritional support, or an underlying skin condition.

What is the role of nutrition in skin tear prevention?

Adequate protein (1.2–1.5 g/kg/day), vitamin C, zinc, and adequate hydration are essential for skin integrity and wound healing. Malnutrition screening using validated tools (MNA, MUST) should be part of holistic skin tear risk assessment in hospitalised and nursing home patients. Nutritional supplementation has been shown to improve wound healing outcomes across wound types; SGH and NUH dietetic services provide structured nutritional assessment for patients with recurrent skin tears or complex wounds.

References

1. LeBlanc K, Baranoski S; International Skin Tear Advisory Panel. Skin tears: state of the science — consensus statements for the prevention, prediction, assessment, and treatment of skin tears. Adv Skin Wound Care. 2011;24(9 Suppl):2–15.
2. LeBlanc K, Campbell K, Wood E, Beeckman D. Best practice recommendations for the prevention and management of skin tears in aged skin: an overview. Wounds International. 2018.
3. LeBlanc K, Woo K, VanDenKerkhof E, et al. Standardizing the classification of skin tears: validity and reliability testing of the ISTAP Classification System in 44 countries. Int Wound J. 2020;17(2):494–506.
4. Carville K, Lewin G, Newall N, et al. STAR: a consensus for skin tear classification. Primary Intention. 2007;15(1):18–28.
5. Wounds International. International Skin Tear Advisory Panel: Best Practice Recommendations for the Prevention and Treatment of Skin Tears. London: Wounds International; 2018.
6. Bianchi J. Skin tears: a literature review. Wound Care. 2012;17(12):S22–S28.
7. Chan B, Ieraci L, Mitsakakis N, Pham B, Krahn M. Net costs and cost-effectiveness of wound treatments for Ontario's community-dwelling population of chronic wound patients: a payer perspective. J Wound Care. 2017;26(11):636–647.
8. Agency for Integrated Care Singapore. Care quality framework for nursing homes. Available at: www.aic.sg. Accessed May 2026.
9. Ministry of Health Singapore. Falls Prevention in Healthcare Settings. Available at: www.moh.gov.sg. Accessed May 2026.