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Histology Type (Specimen) – Qualitative Evaluation of Tissue Sample

Published: August 9, 2026Updated: August 16, 2026

This test examines the microscopic structure of a tissue sample to determine its type, often used in diagnosing diseases like cancer, infections, or inflammatory conditions.

Quick summary

["Understanding your tissue’s microscopic makeup helps guide treatment plans."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
33731-1
Short code
Histology type Ca spec
Synonyms
Histology type Ca spec
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

Why Is This Test Done?

Your doctor may recommend this test if they suspect a condition affecting your tissue, such as a tumor, infection, or autoimmune disease. It helps identify abnormal cell patterns that require further medical evaluation.

How Is the Sample Collected?

A small sample of tissue is taken, usually through a biopsy (a small surgical procedure) or from a medical procedure like surgery. The sample is then prepared and examined under a microscope by a pathologist.

What Does the Test Show?

The test provides a qualitative description of the tissue’s cellular architecture, identifying features like cell shape, arrangement, and presence of abnormal cells. This information helps classify the tissue type (e.g., benign, malignant, inflammatory).

What Are Common Uses?

Results are critical for diagnosing cancers (e.g., lymphoma, carcinoma), assessing tissue damage from diseases like lupus or arthritis, or confirming infections (e.g., fungal, parasitic). It also guides decisions on treatment options.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical significance: This test is foundational for diagnosing and staging diseases where tissue structure directly influences prognosis and therapy. Pathologists use these findings to tailor treatment plans, such as surgery, radiation, or targeted therapies.

Short name

Histology Type

Frequently asked questions

What does a ‘positive’ or abnormal result mean?
An abnormal result indicates tissue that doesn’t match typical healthy patterns, often pointing to disease. Your doctor will discuss findings in detail and connect them to your symptoms and medical history.
How long does it take to get results?
Results typically take 1–3 business days, depending on lab processing and pathologist review. Follow-up with your healthcare provider is essential to interpret the results.
Can lifestyle changes affect this test?
No lifestyle factors influence histology results since it examines physical tissue structure. However, your doctor may recommend avoiding certain medications or procedures before the biopsy to ensure accurate results.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy