Crystals

HematologyAlso known as: Crystals (only reported if detected)Also known as: Urinary crystals/[HPF]

Automated counters measure the number concentration directly and calculate values for the per HPF (or per LPF) when the laboratory chooses them. These analyzers generate the # per HPF or per LPF (as the particle requires) assuming a spun urine based on relationships between the volume of spun and unspun urine.

Normal Range
0 /[HPF]
/[HPF]
Abnormal Levels
Consult your provider
Specimen Type
Blood

Understanding Your Results

Normal Range

0 /[HPF]

Overview

Automated counters measure the number concentration directly and calculate values for the per HPF (or per LPF) when the laboratory chooses them. These analyzers generate the # per HPF or per LPF (as the particle requires) assuming a spun urine based on relationships between the volume of spun and unspun urine.

Research & Evidence

190 publications

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The condensation of π-conjugated units: a new paradigm for designing high-performance optical crystals.
Chem Soc Rev · 2026
PMID: 42046927
Recent Progress in Hg-Based Oxysalt Crystals for Nonlinear Optics and Birefringence Applications.
Inorg Chem · 2026
PMID: 41986894
Emissive organic crystals and device applications.
Chem Soc Rev · 2026
PMID: 41878761
Conformational Editing Drives Covalent Hybridization for Nonlinear Optical Crystals.
Angew Chem Int Ed Engl · 2026
PMID: 41787773
MXtalTools: A Toolkit for Machine Learning on Molecular Crystals.
J Chem Inf Model · 2026
PMID: 41875147
Mechanisms of monosodium urate crystal-induced bone destruction in gouty arthritis (Review).
Biomed Rep · 2026
PMID: 41930100
Ostwald Ripening of Liquid-Metal-Grown Micropattern-Confined Crystals by Solid-Phase Diffusion.
Nano Lett · 2026
PMID: 41972374
Shape elasticity in colloidal bent-core liquid crystals.
Soft Matter · 2026
PMID: 41978532
Regulating KBBF-like structuresa charge-assisted hydrogen-bonded framework to enable easily grown ultraviolet nonlinear optical crystals.
Chem Sci · 2026
PMID: 41982925
Light-Induced Switchable Odd-Parity Altermagnetism in One- and Two-Dimensional Triangulene Crystals.
Nano Lett · 2026
PMID: 41915829

Research data from MEDLINE/PubMed · 190 articles

Technical Information (LOINC Codes)

Standardized laboratory codes for this biomarker

6825-4Primary
Crystals [type] in Body fluid by Light microscopy
5781-0
Crystals [type] in Synovial fluid by Light microscopy
53322-4
Crystals [#/area] in Urine sediment by Automated count
/[HPF]
38397-6
Crystals [type] in Amniotic fluid by Light microscopy
5779-4
Crystals [type] in Bile fluid by Light microscopy
38458-6
Crystals [Presence] in Synovial fluid by Light microscopy
6826-2
Crystals [type] in Pleural fluid by Light microscopy
49755-2
Crystals [Presence] in Urine sediment by Light microscopy
42764-1
Crystals [type] in Vitreous fluid by Light microscopy
53319-0
Crystals [Presence] in Urine by Automated
38459-4
Crystals [#/area] in Urine sediment by Microscopy high power field
/[HPF]
5782-8
Crystals [type] in Urine sediment by Light microscopy
98029-2
Crystals [type] in Stool by Light microscopy
105893-2
Crystals [#/area] in Urine sediment
/[HPF]
38398-4
Crystals [type] in Pericardial fluid by Light microscopy
38399-2
Crystals [type] in Peritoneal fluid by Light microscopy
47611-9
Crystals [type] in Tissue by Light microscopy
51482-8
Crystals [#/volume] in Urine by Automated count
/uL
5780-2
Crystals [type] in Duodenal fluid by Light microscopy
75236-0
Crystals [#/area] in Body fluid by Light microscopy
/[LPF]
87828-0
Crystals [Presence] in Urine
98028-4
Crystals [type] in Semen by Light microscopy
105054-1
Crystals [type] in Urine sediment by Microscopy

Available Lab Tests

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Urinalysis Complete

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Urinalysis Complete Test with Reflex to Culture

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