6.4 Contraindications, Refusal of Service, and Referral

Key Takeaways

  • NIC Pre-Service (5%) includes identifying contraindications; if the finding is a disease, open skin, unexplained pigment, or an unhealthy plate, you refuse that service.
  • 18VAC41-20-270 F 1 requires employees to cleanse hands with soap before each client and requires nail clients to cleanse their hands immediately prior to the service.
  • 18VAC41-20-270 F 2: an artificial nail must only be applied to a healthy natural nail—thin, peeling, infected, or separated plates are ineligible.
  • 18VAC41-20-270 A 4 requires sufficient measures to prevent communicable and infectious disease; covering infection with acrylic is not such a measure.
  • Nail technicians and cosmetologists are not physicians: recognize, document, refuse, and refer—never diagnose or prescribe.
Last updated: August 2026

Pre-service is a stop-or-go decision

Quick Answer: Look at skin and nails in good light before you open product. Healthy intact units may be serviced after hand cleansing. Noninfectious disorders may get an adapted natural service—or a no-enhancement decision. Disease, open skin, undiagnosed rash, green lift, painful swollen folds, infected ingrown, and unexplained dark pigment are refuse, document, and refer. Never “just cover it with acrylic.”

NIC Domain 4 (Pre-Service, 5%) is small as a percentage and large as a liability. The domain includes client consultation, analysis, and identifying contraindications. A contraindication is a condition that makes the requested service unsafe or unlawful to perform. You do not need a medical license to see pus. You need the professional nerve to say no.

Virginia puts three sentences on the wall of every nail station:

  • 18VAC41-20-270 F 1: Employees providing services must cleanse their hands with a soap product prior to each client. Licensees shall require that clients for nail care services must cleanse their hands immediately prior to the requested nail care service.
  • 18VAC41-20-270 F 2: An artificial nail must only be applied to a healthy natural nail.
  • 18VAC41-20-270 A 4: Licensees must take sufficient measures to prevent the transmission of communicable and infectious diseases and ensure employees do the same.

F 1 is not optional hospitality. A client who “already washed in the car” still cleanses immediately prior at the salon. F 2 is not a preference for pretty nails. Thin, peeling, infected, or separated natural nails are not enhancement candidates. A 4 is why you do not put an infectious foot in the basin and why you do not file fungus.

18VAC41-20-270 F 3 (motorized instrument on the artificial surface only) supports the same idea: you are not a medical reducer of diseased natural keratin.

Four buckets: healthy, disorder, disease, refer

Use the same buckets every time. Do not invent a fifth bucket called “the client will leave a bad review.”

Healthy. Even color, intact plate attached to the bed, intact fold, no pain, no rash, no unexplained pigment. After soap cleansing of technician and client (F 1), the requested natural or artificial service may proceed if the natural nail is truly healthy (F 2 for enhancements).

Disorder (noninfectious). Beau's lines, ridges, leukonychia, mild hangnail with intact skin, dry brittle nails, mild onychauxis without pain. Not contagious, but not always enhancement-eligible. Adapt: oil manicure, gentle file, no living-tissue cutting, no pterygium work, no acrylic on eggshell or onycholysis.

Disease (infectious or locally infected). Onychomycosis, tinea pedis, paronychia, onychia, pyogenic granuloma, Pseudomonas under a lift, verruca, herpetic whitlow, infected ingrown. Stop. This is also refer.

Refer (physician-level even when you cannot name the disease). Open sores, undiagnosed rash, suspected melanoma (sudden dark streak, irregular pigment onto skin), unexplained bruise or splinter hemorrhage, severe pincer or ram’s-horn nails you cannot safely handle, nail psoriasis with onycholysis, any finding you cannot classify as a simple cosmetic disorder.

Disease and refer overlap on purpose. You do not have to choose the perfect medical noun. You have to choose not to service.

Hard stop list (memorize these looks)

FindingWhy it is a contraindicationRequired action
Visible infection (pus, crust, spreading redness, crumbling mycotic debris)Communicable or locally infectious; 270 A 4Refuse; refer; disinfect anything that touched it
Open sores or bleeding fissuresPortal of entry; bloodborne riskRefuse; do not put product or a basin on open skin
Undiagnosed rashCould be infection, dermatitis, or worseDo not treat; refuse; refer
Green discoloration under a liftPseudomonas; moist bacterial pocketDo not reseal; no new enhancement; refer as needed
Pain, redness, swelling around the foldParonychia / onychia pictureRefuse; refer; do not drain
Suspected melanoma (new/widening dark streak, pigment on the fold)Physician-level pigmented lesionDo not file or cover; refer immediately
Infected ingrownFold is a wound with bacteriaRefuse; refer; do not dig the nail out
Thin, peeling, infected, or separated natural nail270 F 2 — not a healthy natural nailNo artificial nail; never cover with acrylic, gel, or dip
PterygiumLiving skin on the plateDo not push or cut; refer
Herpetic vesicles or warts in the service areaViral and transmissibleStop; do not cut or file lesions; refer

If one nail is contraindicated, that nail is out. You may service other, clearly healthy nails only when you can do so without using the same porous tools, without putting an infectious foot in water, and without pretending the contraindicated nail “doesn’t count.” When infection is on the foot, the pedicure is over, not “skip digit one.”

Never cover it with acrylic

The most expensive sentence in a nail salon is “we’ll just cover it.” Acrylic, gel, dip, and tips over onycholysis, fungus, green lift, or a thin peeling plate:

  • Violate 270 F 2 (not a healthy natural nail).
  • Create a moisture chamber for Pseudomonas and fungi.
  • Hide a melanoma or unexplained bruise until it is worse.
  • Fail 270 A 4 if the issue is infectious.

There is no Board-approved “thin overlay to protect a diseased nail.” Protection of a diseased nail is medical care, not a sculpted enhancement. If a manager or a client demands coverage, your license is still in your name.

Document and refuse

Refusal is a professional act. Keep it factual and short.

  1. Inspect in light with the client looking too.
  2. Name what you see in plain language, not a diagnosis: “The skin around this nail is red, swollen, and painful, and I see drainage. I cannot perform nail services on this.”
  3. State the limit: “Virginia rules allow artificial nails only on a healthy natural nail,” or “I cannot service visible infection.”
  4. Refer: “Please see a physician or other appropriate medical professional. I cannot treat this.”
  5. Document on the consultation record: date, what was visible, which service was refused, that the client was advised to seek medical evaluation, and that no product was applied to the affected unit.
  6. Do not write “diagnosed paronychia” or “told client to take antibiotic.” You are not a physician.
  7. If tools touched the finding before you saw it, follow blood-exposure or disinfection rules as the situation requires (Chapters 3–4).

A client who argues is still refused. A client who offers a doctor’s note that does not actually clear an open infection is still refused until the skin and nail are safe as you see them today. You are not required to complete a paid service that breaks sanitation law.

Healthy enough for an artificial nail?

Walk F 2 as a checklist, not a vibe:

  • Plate attached (no onycholysis, no onychomadesis).
  • Plate not eggshell-thin, not peeling in layers, not bitten raw.
  • No infection of plate, bed, or fold.
  • No green moisture stain.
  • Fold intact, not pterygium you would have to assault with a pusher.
  • No unexplained dark band or bruise.

If any box fails, the answer is natural service only—or no service. A “short overlay” is still an artificial nail.

Who you are not

Virginia licenses you as a nail technician (or you may hold cosmetology with nail care in scope). That license is not a medical, nursing, or pharmacy license. You:

  • Do recognize signs and symptoms at NIC depth.
  • Do prevent communicable disease in the shop.
  • Do refuse unsafe services.
  • Do not diagnose melanoma, psoriasis, or tinea.
  • Do not prescribe or apply drugs as treatment.
  • Do not perform surgery on an ingrown nail.
  • Do not use a motorized bit as a medical burr on natural diseased keratin.

Referral means a physician (or another appropriate licensed medical professional). It does not mean the senior technician in the next chair who “always files fungus.”

Putting 6.1–6.3 together at the chair

A new dark streak: refer (melanonychia warning), even though melanin bands can be benign—you do not make that call. A green lift: disease bucket, Pseudomonas, no recap. Brittle dry nails with intact skin: disorder bucket, oil manicure, no dip. Pitted nails with oil-drop color: refer, do not treat as fungus. Athlete’s foot: disease, no pedicure. Eggshell plates that want acrylic: F 2 no. Client skipped the soap wash: F 1 stop until they cleanse.

That is the whole skill: see it, bucket it, do not cover it.

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Pre-service decision: healthy vs disorder vs disease vs refer
Test Your Knowledge

A client wants acrylic on fingernails that are peeling in layers, with onycholysis on two digits and no infection visible. Which Virginia rule controls the enhancement request?

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B
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D
Test Your Knowledge

When must a Virginia nail-care client cleanse the hands relative to the service?

A
B
C
D
Test Your Knowledge

A client has a green-yellow stain under a lifted enhancement and asks you to recap it with acrylic so it will not show. What is the correct response?

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B
C
D
Test Your Knowledge

Which statement correctly describes the nail technician’s role when a fold is red, swollen, and painful or a new irregular dark streak appears?

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B
C
D