Pressure Injuries in Singapore: Complete Clinical Guide with ICD-10 Codes (L89)

What Is a Pressure Injury? Definition and Clinical Significance

A pressure injury (formerly pressure ulcer or bedsore) is a localised injury to the skin and/or underlying tissue, usually over a bony prominence, resulting from sustained pressure or pressure combined with shear. The EPUAP/NPIAP/PPPIA 2019 International Clinical Practice Guideline — the global gold standard — defines the condition and provides evidence-based recommendations for prevention and treatment across all healthcare settings.

In Singapore, pressure injuries are classified as hospital-acquired conditions and tracked as patient safety indicators by the Ministry of Health (MOH). High-risk environments include the intensive care units at Singapore General Hospital (SGH), National University Hospital (NUH), Tan Tock Seng Hospital (TTSH), Changi General Hospital (CGH), and long-term care facilities. The Singapore Nursing Board mandates competency in pressure injury risk assessment and prevention for all registered nurses.

ICD-10 Codes for Pressure Injuries (L89)

The ICD-10-CM category L89 classifies pressure injuries by anatomical site and stage. Accurate coding supports clinical documentation, hospital reporting, and research.

How Are Pressure Injuries Staged? The EPUAP/NPIAP/PPPIA Classification System

The 2019 EPUAP/NPIAP/PPPIA International Clinical Practice Guideline defines six injury categories:

How Is Pressure Injury Risk Assessed? The Braden Scale

The Braden Scale is the most widely validated pressure injury risk assessment tool, used routinely in Singapore hospitals including NUH, SGH, TTSH, and CGH. It evaluates six subscales:

1. Sensory perception — ability to respond meaningfully to pressure-related discomfort
2. Moisture — degree to which skin is exposed to moisture (perspiration, urine)
3. Activity — degree of physical activity
4. Mobility — ability to change and control body position
5. Nutrition — usual food intake pattern
6. Friction and shear — resistance to friction and shear forces during movement

Each subscale is scored 1–4 (friction/shear: 1–3). Total scores range from 6–23. Interpretation: 15–18 = mild risk; 13–14 = moderate risk; 10–12 = high risk; ≤9 = very high risk. Patients scoring ≤18 should have a documented prevention care plan initiated.

What Is the SSKIN Bundle and How Is It Applied?

The SSKIN care bundle provides a structured, practical framework for pressure injury prevention:

• S — Surface: Ensure the patient is on an appropriate pressure-redistributing support surface. Dynamic air mattresses are indicated for high-risk patients (Braden ≤12). Foam overlay mattresses are appropriate for moderate-risk patients.
• S — Skin inspection: Conduct a head-to-toe skin inspection at each shift. Document the presence of any erythema, moisture lesions, or skin breakdown. Pay particular attention to sacrum, heels, occiput, and bony prominences.
• K — Keep moving: Reposition the patient at least every 2 hours. Use the 30-degree tilt position to avoid pressure on the trochanter. Offload heels completely using foam heel elevators. Encourage mobility where clinically appropriate.
• I — Incontinence: Manage incontinence proactively. Moisture-associated skin damage (MASD) accelerates pressure injury development. Use barrier creams and appropriate continence aids. Distinguish between pressure injuries and incontinence-associated dermatitis (IAD).
• N — Nutrition: Nutritional deficiency impairs wound healing. Screen all at-risk patients using validated tools (e.g., MNA, MUST). Optimise protein intake (1.25–1.5 g/kg/day), hydration, and micronutrients (zinc, vitamin C) per dietitian assessment. Refer to dietetics at NUH, SGH, or TTSH for complex cases.

What Dressings Are Recommended for Each Pressure Injury Stage?

Evidence-based dressing selection is guided by wound stage, exudate level, and presence of infection:

Stage 1

No wound dressing is required. Management focuses on elimination of pressure (repositioning every 2 hours), offloading devices, skin moisturisation with an emollient, and optimisation of the SSKIN bundle. Transparent film dressings may be applied to high-friction sites to reduce shear.

Stage 2

Moist wound healing is the cornerstone. Recommended options include:

• Foam dressings — for moderate exudate; provide cushioning and moisture management
• Hydrocolloid dressings — for low to moderate exudate; create a moist environment and autolytic debridement
• Thin silicone foam dressings — for fragile peri-wound skin, particularly in elderly patients

Stage 3 and Stage 4

Complex wounds require more advanced management:

• Alginate dressings — for highly exudative wounds; haemostatic and absorbent
• Antimicrobial dressings (silver, iodine) — where clinical signs of local infection are present (increased exudate, malodour, periwound erythema, pain)
• Negative Pressure Wound Therapy (NPWT/VAC) — for Stage 3/4 wounds with significant depth, undermining, or post-surgical closure; promotes granulation
• Hydrofibre dressings — for wounds with heavy exudate and irregular cavities
• Surgical debridement and secondary closure — may be required for Stage 4 wounds with necrotic tissue

Unstageable and Deep Tissue Pressure Injury

For unstageable wounds, avoid debridement of stable dry eschar on the heel. For DTPI, monitor closely and do not apply sustained pressure. Protect with a non-adherent dressing while the injury evolves.

Singapore-Specific Context: Pressure Injury Prevention in Hospitals

Pressure injury prevention is a mandated nursing quality indicator in Singapore. The following institutions have established pressure injury prevention programmes:

• Singapore General Hospital (SGH) — ICU and surgical wards; uses validated risk assessment protocols
• National University Hospital (NUH) — hospital-wide SSKIN bundle implementation
• Tan Tock Seng Hospital (TTSH) — community hospital step-down care pressure injury protocols
• Changi General Hospital (CGH) — nurse-led wound care teams
• KK Women's and Children's Hospital (KKH) — paediatric and obstetric pressure injury protocols
• Mount Elizabeth Hospital, Gleneagles Hospital, Raffles Hospital — private sector wound care programmes

MOH Singapore mandates that all hospitals report hospital-acquired pressure injuries as part of the Singapore Hospitals Quality Database. The Health Promotion Board (HPB) supports community-level awareness of skin care for elderly patients.

Frequently Asked Questions About Pressure Injuries

Can Stage 3 or Stage 4 pressure injuries be reverse-staged as they heal?

No. The EPUAP/NPIAP/PPPIA guideline explicitly states that pressure injuries do not reverse-stage. A healing Stage 4 injury does not become Stage 3 as it heals — it remains a Stage 4 healing wound. Document healing progress using wound measurement and assessment rather than downgrading the stage.

What is a moisture-associated skin damage (MASD) and how does it differ from a pressure injury?

MASD is skin damage caused by prolonged exposure to a source of moisture (urine, faeces, wound exudate, sweat). Unlike pressure injuries, MASD typically has diffuse, poorly defined borders and is not necessarily located over a bony prominence. Distinguishing MASD from Stage 2 pressure injuries is important for correct ICD-10 coding and treatment selection.

What support surfaces are recommended for high-risk ICU patients?

The EPUAP/NPIAP/PPPIA 2019 guideline recommends reactive or active pressure-redistributing support surfaces for patients with existing pressure injuries or those at high risk. Reactive (constant low pressure) foam or air surfaces are appropriate for moderate risk; dynamic alternating pressure air mattresses are recommended for high-risk patients, particularly those who cannot be repositioned frequently.

How should pressure injury prevention be documented in Singapore hospitals?

Documentation should include: Braden Scale score on admission and at each re-assessment, prevention care plan, repositioning schedule, skin assessment findings at each shift, support surface in use, nutritional assessment, and any wound dressings applied. This satisfies MOH documentation standards and Singapore Nursing Board competency requirements.

EMIS+ supplies evidence-based wound care dressings across Singapore. Browse our wound care range at emis.asia or contact our nursing team for product advice.

Last clinically reviewed: June 2026 by the EMIS+ nursing team.

Where can I buy pressure injury (bedsore) dressings in Singapore?

EMIS+ (emis.asia) is a Singapore nurse-led medical supplier offering evidence-based pressure injury dressings — including foam, hydrocolloid, silicone-border, and superabsorbent dressings — with islandwide delivery. For Stage 3/4 or non-healing wounds, always consult your doctor or a wound care nurse (such as those at SGH, TTSH, or CGH) for an individualised plan.

References

1. European Pressure Ulcer Advisory Panel, National Pressure Injury Advisory Panel and Pan Pacific Pressure Injury Alliance. Prevention and Treatment of Pressure Ulcers/Injuries: Clinical Practice Guideline. The International Guideline. Emily Haesler (Ed.). EPUAP/NPIAP/PPPIA: 2019.
2. Braden BJ, Bergstrom N. Clinical utility of the Braden Scale for predicting pressure sore risk. Decubitus. 1989;2(3):44–51.
3. Wounds International. International Best Practice Recommendations: Prevention and Management of Moisture-Associated Skin Damage. London: Wounds International, 2015.
4. Singapore Nursing Board. Nursing Practice Guidelines. Singapore: SNB, 2018.
5. Ministry of Health Singapore. Hospital Acquired Conditions Reporting Framework. MOH Singapore, 2022.
6. Lavery LA, et al. WHS guidelines update: Pressure ulcer treatment guidelines. Wound Repair Regen. 2024.
7. NPUAP/EPUAP/PPPIA. Quick Reference Guide, Prevention and Treatment of Pressure Ulcers/Injuries. 2019.