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Last Updated: Nov 9, 2026
Practice Management Tips
Hair loss Norwood scale assessment
Free PDF 2 pages, print-ready Clinician-reviewed
The hair loss Norwood scale is a seven-stage classification that grades male pattern baldness. It runs from minimal temple recession at stage 1 to a horseshoe of hair at stage 7. It follows two patterns, recession at the temples and thinning at the crown. Clinicians use the stage to record a baseline, measure change between visits and frame the treatment conversation. This guide covers what the scale measures, how to stage a patient in a consultation and where the scale stops being useful. It is written for aesthetic, dermatology and wellness practitioners.
Template details
- Template type
- Assessment
- Format
- Printable PDF, 2 pages
- Sections
- 4 sections
- Fields to complete
- 6 fields
- Best for
- Practice Management Tips
Free download
Download your free Norwood scale assessment
A two-page form for staging male pattern hair loss on the Hamilton-Norwood scale. It records the stage and pattern, examination findings, blood tests, the treatment discussion and the review date.
What’s inside
- Patient details, age at onset, family history and the assessing clinician
- Summary of the Hamilton-Norwood scale and the four standard photo views
- Stage descriptions from I to VII, including III vertex and Type A
- Stage and pattern checkboxes to record today's classification
- Findings checklist plus blood tests, from ferritin and thyroid to vitamin D
- Treatments discussed, agreed plan, photos taken and next review date
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Key takeaways
The hair loss Norwood scale grades male pattern baldness across seven stages, plus a Type A variant.
Staging is most reliable when paired with standardized photographs taken from the same four angles at every visit.
A stage does not decide treatment on its own. History, goals and medical suitability matter too.
Pabau’s practice management software keeps staging notes, intake forms and photos in one record, so visits compare cleanly.
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What the hair loss Norwood scale measures
The hair loss Norwood scale measures the pattern of androgenetic alopecia in men. It grades how far the hairline has receded and how much hair has gone from the crown. Hamilton described the pattern in 1951, and Norwood refined the classification in 1975.
The scale does not measure hair density, scalp health or the speed of loss. It tells you the current shape of the pattern, which is why it works best as part of a wider assessment. Our guide to scalp regions explains the zones these labels refer to, including the donor area at the back.
- Frontal recession: How far the temples and hairline have moved back.
- Vertex loss: Thinning or baldness at the crown.
- The bridge: The band of hair separating the frontal and crown zones.
- Remaining hair: The rim of hair left at the sides and back.
The seven Norwood stages
The Norwood scale runs from stage 1, with no meaningful recession, to stage 7. At stage 7, only a horseshoe of hair remains at the sides and back. Each stage has a recognizable visual pattern that clinicians can match against the patient.
Norwood also describes a stage 3 vertex pattern, where loss is mainly at the crown and frontal recession does not exceed stage 3. The diagram below shows each pattern from above, so the changes at the temples and the crown can be compared side by side.
The Type A variant is a pattern where recession stays mainly at the front of the hairline, and the crown is often preserved. Note it separately on the record so the pattern is not lost in a standard stage entry. The template records these patterns as IIa through Va.
Treat the stage descriptions as guides with soft edges. Two patients at the same stage can have very different donor density, hair quality and expectations.
How to stage a patient in a consultation
Work through five steps: Take the history, examine the hairline and crown, photograph the patient, assign the stage, and record it for review. Each step feeds the next, so skipping one weakens the staging.
- Take a history. Note family pattern, age of onset, duration of shedding and any previous treatments.
- Examine under good light. Assess the patient with dry, unstyled hair.
- Photograph from fixed angles. Capture the front, crown, and left and right sides. Pabau’s before-and-after photos store these images against the patient record.
- Assign the stage. Match the findings to the stage table and flag any Type A features.
- Record and schedule a review. Logging the Norwood stage with a date makes change visible at follow-up.
Digital forms can capture the history in step one before the patient reaches the room. Pabau’s digital intake forms let practices send that questionnaire ahead of the visit.
Pabau Scribe, our AI scribe, can support clinical note writing. The clinician still confirms the stage. Staging itself stays a clinical judgment made in the room.
How staging shapes treatment decisions
A stage tells you where the pattern sits. Treatment depends on the patient’s goals, medical history and suitability for each option.
Topical minoxidil and oral finasteride are regulated medicines. Their availability, licensing and labeling vary by country and product, and FDA approval status differs by formulation and sex. Check the current label before advising a patient. Mayo Clinic’s overview of male pattern baldness is a useful patient-facing reference for the condition.
Surgical candidacy is commonly discussed from around stage 3, but donor density, age and realistic expectations decide suitability for each patient. Evidence for other options, such as platelet-rich plasma, is mixed, so present them as optional rather than proven.
Who uses the scale in practice
Dermatologists, aesthetic doctors, nurse practitioners and nurse prescribers use the hair loss Norwood scale to stage male pattern baldness. Who may assess and treat depends on local scope of practice, so check the rules in your own state or jurisdiction.
Hair restoration practices use the scale to assess surgical candidacy. General aesthetic practices use it to open the conversation and refer on when needed. Teams running hair practices often look for software for hair clinics that keeps staging linked to the consultation.
Benefits of a standard template
A standard template makes stage records comparable between clinicians and across years. It also gives patients a consistent explanation of where they sit on the pattern.
- Consistent language: Every clinician records the stage and the features the same way.
- Audit readiness: Dated, complete notes are easier to evidence at review.
- Clear patient conversations: A visual stage reference helps patients follow the plan.
Pro Tip
Photograph every patient at each review in the same lighting and from the same four angles. Consistent photos make a one-stage change visible, which a verbal description rarely does.
Limits of the scale
The hair loss Norwood scale was designed for male pattern baldness, so it does not map cleanly onto women. For female pattern hair loss, clinicians usually use the Ludwig scale, which grades diffuse thinning across the crown.
The scale also misses inflammatory and diffuse causes. Telogen effluvium and alopecia areata can look similar at first, so rule them out before staging. NHS hair loss guidance sets out common causes and when to seek advice.
A single snapshot cannot show how fast loss is progressing, and inter-rater agreement is imperfect. Reviews of the scale’s validity are indexed on PubMed. Patients considering surgery also need informed consent, and a hair transplant consent form sets out the options and risks before booking.
How Pabau keeps Norwood staging consistent across visits
In many practices the stage lives in a free-text note, and the photos sit in a phone’s camera roll. At the next review, the clinician compares a remembered stage with images taken in different light.
Pabau, the medical spa software we build, keeps the intake form, the photo series and the staging note in one patient record. Photos line up by date, so a one-stage change shows side by side.
The result is a stage you can defend at review and explain to the patient. Your team also stops hunting for last year’s photos before each consultation.
Keep every Norwood stage tied to its photos
Pabau stores intake forms, dated photos and staging notes in one patient record, so each review compares like with like.
Conclusion
The hair loss Norwood scale is most useful as a shared language between clinicians and patients. Its value comes from repetition. Each review needs the same four photos, the same light and a dated stage.
Rule out other causes before you assign a stage, then weigh it alongside history, goals and donor density. That keeps the conversation grounded when a patient asks about surgery.
Book a demo to see how Pabau keeps Norwood stages, photos and treatment plans together for every hair loss consultation.
Continue your research
Need a structured hair restoration intake? Hair transplant intake form captures medical history, medications and hair loss classification before the consultation.
Preparing a patient for FUE? FUE consent form covers the procedure, its named risks and aftercare.
Choosing software for a hair restoration practice? Best hair transplant clinic software compares platforms that follow a patient from consultation to final growth photo.
Planning to open a hair restoration practice? How to start a hair transplant clinic walks through licensing, training and setup.
Frequently asked questions
What are the 7 stages of the hair loss Norwood scale?
The hair loss Norwood scale has seven stages. They run from stage 1, with no significant recession, to stage 7, with only a horseshoe of hair at the sides and back. A Type A variant also exists, where recession stays mainly at the front.
How do I determine a patient’s Norwood stage?
A clinician assigns the stage by examining the hairline and crown under good light and comparing them with the stage descriptions. Photographs support the assessment, but an in-person examination is needed for a confirmed stage.
Does the hair loss Norwood scale apply to women?
No, the scale was designed for male pattern baldness. Clinicians usually use the Ludwig scale for female pattern hair loss.
At which Norwood stage should a patient consider a hair transplant?
Surgery is commonly discussed from around stage 3, but suitability depends on donor density, age and expectations rather than the stage alone.
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