Posted Date
Effective Date
Update Type Reference range changed
CPT Code 87186
Order Code MMLNS

Antimicrobial Susceptibility, Nocardia species

Order Code:                             MMLNS

CPT Code:                               87186

Reference Laboratory:             Mayo Medical Laboratory

 

Effective March 10, 2021, MLabs will be the changing the antimicrobial drug concentration associated with the Antimicrobial Susceptibility, Nocardia species (MMLNS) test to align with the current Clinical and Laboratory Standards Institute recommendation per Mayo Medical Laboratories. See below.

 

 

Current Reference Range

Antimicrobial Agent

Concentration range mcg/mL

Interpretations

 

 

S

I

R

Amikacin

1-64

≤ 8

---

≥ 16

Amoxicillin/ clavulanate

2/1-128/64

≤ 8/4

16/8

≥ 32/16

Ceftriaxone

4-64

≤ 8

16-32

≥ 64

Ciprofloxacin

0.12-4

≤ 1

2

≥ 4

Clarithromycin

0.06-16

≤ 2

4

≥ 8

Doxycycline

0.12-16

≤ 1

2-4

≥ 8

Imipenem

2-64

≤ 4

8

≥ 16

Linezolid

1-32

≤ 8

---

---

Minocycline

1-8

≤ 1

2-4

≥ 8

Moxifloxancin

0.25-8

≤ 1

2

≥ 4

Tobramycin

1-16

≤ 4

8

≥ 16

Trimethoprim/ Sulfamethoxazole

0.25/4.75-8/152

≤ 2/38

---

≥ 4/76

 

 

New Reference Range

Antimicrobial Agent

Concentration range mcg/mL

Interpretations

 

 

S

I

R

Amikacin

0.5-32

≤ 8

---

≥ 16

Amoxicillin/ clavulanate

2/1-128/64

≤ 8/4

16/8

≥ 32/16

Ceftriaxone

1-64

≤ 8

16-32

≥ 64

Ciprofloxacin

0.12-16

≤ 1

2

≥ 4

Clarithromycin

0.03-16

≤ 2

4

≥ 8

Doxycycline

0.12-16

≤ 1

2-4

≥ 8

Imipenem

0.12-32

≤ 4

8

≥ 16

Linezolid

0.5-16

≤ 8

---

---

Minocycline

0.06-16

≤ 1

2-4

≥ 8

Moxifloxancin

0.015-8

≤ 1

2

≥ 4

Tobramycin

2-64

≤ 4

8

≥ 16

Trimethoprim/ Sulfamethoxazole

0.06/1.19-8/152

≤ 2/38

---

≥ 4/76

For Rhodoccous equi only

 

 

 

 

Rifabutin

0.5-2

≤1

2

≥ 4

Vancomycin

0.5-16

≤2

4-8

≥ 16

 

 

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