Best ASVAB Scores for Army Medical MOS Jobs

The Army’s medical career field has 23 active MOSs, and they don’t all have the same ASVAB bar. Some require a single composite score in the 90s. Others demand two separate scores above 100, covering completely different skill sets. Pick the wrong target MOS before you study, and you could hit one number while missing the other.

This guide breaks down every 68-series MOS by its exact ASVAB line score requirements, explains what those composites actually measure, and shows you where to focus your prep time to qualify for the jobs with the highest clinical ceiling.

How Army Medical ASVAB Scores Work

The Army doesn’t use your overall ASVAB percentile (AFQT) to assign jobs. It uses composite line scores, which are combinations of specific ASVAB subtests. Each composite targets a different type of aptitude.

Most medical MOSs require the Skilled Technical (ST) score. The formula is:

ST = General Science (GS) + Verbal Expression (VE) + Mechanical Comprehension (MC) + Mathematics Knowledge (MK)

A handful of medical specialties pull from other composites:

The minimum AFQT to enlist in the Army is 31 with a high school diploma, or 50 with a GED. Meeting that floor doesn’t guarantee any specific MOS. You still need the composite numbers below.

Full 68-Series ASVAB Score Chart

Every active Army medical MOS and its required composite line score is listed below. Data comes from DA Pam 611-21, the Army’s official enlisted classification reference.

Which MOSs Have the Highest Bar

Three MOSs stand out as the hardest to qualify for on ASVAB alone.

68A (Biomedical Equipment Specialist) is the only medical MOS gated by the Electronics (EL) composite at 107. That score draws on General Science, Arithmetic Reasoning, Mathematics Knowledge, and Electronics Information. It’s a different skill set from the ST-heavy majority, and it trips up candidates who focused their studying on science and reading instead of electrical theory.

68K (Medical Laboratory Specialist) and 68P (Radiology Specialist) both require ST: 106. That’s just five points below the dual-score threshold, but requires strong performance across all four ST subtests simultaneously. Both MOSs lead to civilian-equivalent credentials in laboratory science and radiologic technology, making the prep investment worth it.

The eight dual-score MOSs (68B, 68C, 68F, 68L, 68N, 68U, 68W, 68Y) are a category of their own. ST: 101 and GT: 107 measure overlapping but distinct skills. GT leans more heavily on verbal reasoning and arithmetic. A candidate who scores ST: 110 but GT: 105 still can’t enlist as a 68W. Both scores must clear the threshold.

Lowest-Bar Entry Points into Army Medicine

If your current practice scores sit below 100, three MOSs offer legitimate clinical experience without the high composite requirements.

• 68D (Operating Room Specialist) requires ST: 91. You’ll assist surgeons in Army operating rooms, sterile field techniques, and instrument handling.
• 68E (Dental Specialist) requires ST: 91. Chairside dental assisting, patient care, and preventive dentistry.
• 68T (Animal Care Specialist) also requires ST: 91. This one is often overlooked, covering veterinary care for military working dogs and food safety inspection.

These aren’t consolation MOSs. They’re real clinical roles with structured training pipelines. Getting in at ST: 91 and then using the Army’s Tuition Assistance or Post-9/11 GI Bill to pursue further credentials is a viable path to higher-skill roles later.

What the ST Score Actually Tests

The Skilled Technical composite covers four subtests. Understanding each one helps you know where your prep time will pay off the most.

General Science (GS) covers biology, chemistry, physics, and earth science. For medical MOSs this is the most directly relevant subtest. Topics like cell biology, body systems, and basic chemistry appear frequently and connect directly to what you’ll study in AIT.

Verbal Expression (VE) is a derived score combining Word Knowledge and Paragraph Comprehension. It’s the single biggest swing factor in the ST composite because both subtests contribute. Strong vocabulary and careful reading habits move the needle here faster than almost anything else.

Mathematics Knowledge (MK) tests algebra, geometry, and number properties. This is where many candidates lose points they didn’t expect to lose. The math is not advanced, but it requires accuracy under timed conditions.

Mechanical Comprehension (MC) covers simple machines, force, pressure, and mechanical principles. Less intuitive for candidates without a mechanical background, but very learnable with focused practice.

If your practice ST scores are low, identify which of the four subtests is dragging you down and target that section first instead of reviewing everything equally.

How GT Score Fits In

The General Technical composite is VE + Arithmetic Reasoning (AR). For the dual-score medical MOSs, you need GT: 107 in addition to ST: 101.

GT: 107 is a meaningful threshold. The Army uses it as a rough marker for candidates who can handle training that involves a lot of reading, writing, and quantitative problem-solving. Officer candidates need GT: 110, so 107 is one step below the officer track minimum.

Because VE appears in both the ST and GT formulas, improving your Verbal Expression score lifts both composites simultaneously. That’s the most efficient place to focus for anyone chasing the dual-score MOSs.

Arithmetic Reasoning is distinct from Mathematics Knowledge. AR tests applied word problems and quantitative reasoning. MK tests pure mathematical procedures. You need to practice both, but don’t confuse them. Missing AR while drilling MK is a common prep mistake.

ASVAB Study Plan for Medical MOSs

Here’s how to build a focused study plan based on your target MOS.

Targeting ST: 91-95 (68D, 68E, 68T, 68Q, 68R): Focus on GS and VE. These two subtests have the most room to grow with targeted study and carry the most weight at this score tier. A few weeks of consistent science review and vocabulary practice can bridge a meaningful gap.

Targeting ST: 101-102 (68S, 68V, 68X, and the dual-score group): Add structured MK and MC prep. At this level you need solid scores across all four subtests. Use full-length timed practice tests to find which subtest is capping your composite.

Targeting ST: 106+ (68K, 68P) or EL: 107 (68A): You need near-ceiling performance on multiple subtests. For 68A specifically, shift a significant portion of your prep to Electronics Information, which doesn’t appear in the ST formula at all. Candidates who study only for ST and then discover they need EL are starting over.

For the dual-score MOSs (including 68W): Study GT and ST as two separate targets. Build a practice schedule that alternates between verbal/arithmetic content for GT and science/math/mechanical content for ST. Track both composites independently on every practice test.

One timing note: you can retake the ASVAB after a one-month wait on the first retest, and after six months on subsequent retests. The scores from your most recent test are what recruiters use.

This site is not affiliated with the U.S. Army or any government agency. Verify all information with official Army sources before making enlistment or career decisions.

Learn more about the full range of Army medical MOS jobs or sharpen your test skills with the Army ASVAB test prep guide. For score requirements in a different branch, see Best ASVAB Scores for Combat Arms MOS.