What are the limitations of the hhs diagnostic criteria?

While the hhs diagnostic criteria is highly validated, it should not replace clinical judgment. OpiCalc provides the latest evidence-based limitations for the hhs diagnostic criteria to ensure safe bedside use and optimal diagnostic accuracy.

How does the hhs diagnostic criteria compare to other Endocrinology scores?

The hhs diagnostic criteria is a gold-standard diagnostic tool. OpiCalc provides side-by-side clinical guidance to help clinicians choose the most specific evidence-based tool for their patient's presentation.

Is the hhs diagnostic criteria free to use?

Yes. OpiCalc provides the hhs diagnostic criteria completely ad-free and optimized for mobile bedside use, ensuring you can calculate medical risk swiftly and without distraction.

Hhs diagnostic criteria Score and Guidance

CLINICAL REFERENCE

CLINICAL INSIGHT

When to Use

Elderly patients with Type 2 Diabetes presenting with severe dehydration and altered consciousness.
Differentiating hyperosmolar states from DKA (although mixed presentations occur).
To guide massive volume resuscitation strategies.

CLINICAL INSIGHT

How it Works

ADA Diagnostic Thresholds

Parameter	Criteria for HHS
Plasma Glucose	> 600 mg/dL (33.3 mmol/L)
Arterial pH	> 7.30
Serum Bicarbonate	> 18 mEq/L
Urine/Serum Ketone	Absent or Small
Effective Serum Osmolality	> 320 mOsm/kg
Mental Status	Stupor / Coma

CLINICAL INSIGHT

Practical Pearls

Mixed DKA/HHS

Up to 30% of patients present with a mixed picture. If ketones are present and pH is low despite high glucose and osmolality, treat using the DKA protocol as the acid-base balance is more immediately life-threatening.

Fluids First

The osmotic diuresis in HHS is profound. Aggressive fluid resuscitation is the most important management step. Starting insulin before adequate fluid volume is restored can cause cardiovascular collapse as water follows glucose back into the cells.

CLINICAL INSIGHT

Evidence Base

Primary Source

Hyperglycemic crises in adult patients with diabetes.

Kitabchi AE, Umpierrez GE, et al.Diabetes Care2009

When to Use

When to Use

How it Works

ADA Diagnostic Thresholds

Practical Pearls

Mixed DKA/HHS

Fluids First

Evidence Base

Primary Source

HHS Diagnostic Criteria

Next Step Priority

When to Use

When to Use

How it Works

ADA Diagnostic Thresholds

Practical Pearls

Mixed DKA/HHS

Fluids First

Evidence Base

Primary Source

HHS Diagnostic Criteria

Next Step Priority

Clinical Evidence and Methodology

When to Use

When to Use

How it Works

ADA Diagnostic Thresholds

Practical Pearls

Mixed DKA/HHS

Fluids First

Evidence Base

Primary Source

HHS Diagnostic Criteria

Next Step Priority

Clinical Evidence and Methodology

When to Use

When to Use

How it Works

ADA Diagnostic Thresholds

Practical Pearls

Mixed DKA/HHS

Fluids First

Evidence Base

Primary Source

HHS Diagnostic Criteria

Next Step Priority